{"title":"Mark Mcgwire Memorabilia","description":"","products":[{"product_id":"mark-mcgwire-signed-st-louis-cardinals-replica-souvenir-batting-helmet","title":"Mark McGwire Signed St Louis Cardinals Replica Souvenir Batting Helmet","description":"\u003cp\u003eOwn a piece of baseball history with this \u003cstrong\u003eMark McGwire signed St. Louis Cardinals replica souvenir batting helmet\u003c\/strong\u003e. 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Whether you're a lifelong St. Louis fan or a sports memorabilia enthusiast, this autographed helmet makes for a standout addition to any collection. Don’t miss the chance to own a signed piece from one of baseball’s greats!\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":39980490162220,"sku":"MCGBTH100","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBTH100_990b7a64-7ee1-40d2-bc15-aad25153cb9e.jpg?v=1773307995"},{"product_id":"mark-mcgwire-signed-rawlings-mlb-baseball","title":"Mark McGwire Signed Rawlings MLB Baseball","description":"\u003cp\u003eOwn a piece of baseball history with this \u003cstrong\u003eMark McGwire signed Rawlings Official MLB baseball\u003c\/strong\u003e—a must-have for collectors and fans of the legendary slugger. McGwire, famed for his record-breaking home run chase and powerful hitting, has left an indelible mark on the sport. Secure your memorabilia with confidence, as this autographed baseball is \u003cstrong\u003eauthenticated by Schwartz Sports Memorabilia\u003c\/strong\u003e with a \u003cstrong\u003etamper-proof numbered hologram\u003c\/strong\u003e and \u003cstrong\u003eCertificate of Authenticity\u003c\/strong\u003e, verifiable online.  \n\n\u003c\/p\u003e\u003cul\u003e  \n\u003cli\u003e\n\u003cstrong\u003eHand-signed by Mark McGwire\u003c\/strong\u003e – Legendary power hitter and former MLB star.\u003c\/li\u003e  \n\u003cli\u003e\n\u003cstrong\u003eRawlings Official MLB baseball\u003c\/strong\u003e – The perfect collector’s item or display piece.\u003c\/li\u003e  \n\u003cli\u003e\n\u003cstrong\u003eSchwartz Sports Memorabilia authentication\u003c\/strong\u003e – Includes a tamper-proof hologram and COA.\u003c\/li\u003e  \n\u003cli\u003e\u003cstrong\u003eIdeal for baseball fans, collectors, and memorabilia investors.\u003c\/strong\u003e\u003c\/li\u003e  \n\u003c\/ul\u003e  \n\nCelebrate the career of one of baseball’s most exciting home run hitters with this \u003cstrong\u003eauthenticated Mark McGwire autographed baseball\u003c\/strong\u003e—a prized addition to any sports memorabilia collection.","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":39980490719276,"sku":"MCGBSB112","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBSB112_fbcc812f-6818-4d8c-a354-55c1cfc88b39.jpg?v=1773307995"},{"product_id":"mark-mcgwire-signed-topps-project-20-20-card-81-blake-jamieson-artist","title":"Mark McGwire Signed Topps Project 2020 Card #81 (Blake Jamieson - Artist)","description":"\u003cp\u003eOwn a piece of baseball history with this \u003cstrong\u003eMark McGwire signed Topps Project 2020 trading card #81\u003c\/strong\u003e, uniquely designed by renowned artist \u003cstrong blake jamieson\u003e. This limited-edition collectible captures the legendary power hitter in a bold, modern design, making it a must-have for fans and memorabilia enthusiasts alike. \n\n\u003cul\u003e  \n\u003cli\u003e\n\u003cstrong\u003eHand-signed by Mark McGwire\u003c\/strong\u003e – One of baseball’s most iconic sluggers.\u003c\/li\u003e  \n\u003cli\u003e\n\u003cstrong\u003eTopps Project 2020 card #81\u003c\/strong\u003e – A unique reimagination of a classic trading card.\u003c\/li\u003e  \n\u003cli\u003e\n\u003cstrong\u003eArtwork by Blake Jamieson\u003c\/strong\u003e – A celebrated artist known for his vibrant takes on sports cards.\u003c\/li\u003e  \n\u003cli\u003e\n\u003cstrong\u003eAuthenticated by Schwartz Sports Memorabilia\u003c\/strong\u003e – Features a \u003cstrong\u003etamper-proof numbered hologram\u003c\/strong\u003e on the back for verification.\u003c\/li\u003e  \n\u003cli\u003e\n\u003cstrong\u003eIncludes a Certificate of Authenticity\u003c\/strong\u003e – Ensuring the legitimacy of McGwire’s autograph.\u003c\/li\u003e  \n\u003c\/ul\u003e  \n\nAs a key figure in baseball's power-hitting era, \u003cstrong\u003eMark McGwire\u003c\/strong\u003e left an indelible mark on the game, thrilling fans with his prodigious home runs. Whether you're a lifelong collector, a fan of the Oakland Athletics or St. Louis Cardinals, or simply appreciate the artistry of Topps Project 2020 cards, this signed card is a rare and valuable addition to any collection.  \n\nSecure this authenticated \u003cstrong\u003eMark McGwire signed Topps Project 2020 trading card #81\u003c\/strong\u003e today and celebrate the legacy of one of baseball’s greatest sluggers.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":39980491112492,"sku":"MCGCAR110","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGCAR110.jpg?v=1773308019"},{"product_id":"1984-usa-olympic-team-20-signatures-autographed-first-day-cover-mark-mcgwire-will-clark-john-marzano-psa-dna-k39842","title":"1984 USA Olympic Team Autographed First Day Cover With 20 Total Signatures Including Mark McGwire \u0026 Will Clark PSA\/DNA #K39842","description":"\u003cp\u003eThis \u003cstrong\u003eFirst Day Cover\u003c\/strong\u003e is a rare collectible, hand-signed by \u003cstrong\u003e20 members of the 1984 USA Olympic baseball team\u003c\/strong\u003e, including legendary players \u003cstrong\u003eMark McGwire, Will Clark, and John Marzano\u003c\/strong\u003e. 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Whether you're an Oakland Athletics enthusiast or a memorabilia investor, this authenticated collectible is a standout addition to any sports collection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand-signed by Mark McGwire\u003c\/strong\u003e – One of the most iconic power hitters in baseball history.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOfficial Oakland A's replica souvenir batting helmet\u003c\/strong\u003e – A tribute to McGwire's legendary career with the A's.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthenticated by Schwartz Sports Memorabilia\u003c\/strong\u003e – Includes a \u003cstrong\u003etamper-proof numbered hologram\u003c\/strong\u003e and \u003cstrong\u003eCertificate of Authenticity (COA)\u003c\/strong\u003e for verification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for display\u003c\/strong\u003e – Showcase it in your sports collection, office, or fan cave.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMark McGwire made history as a cornerstone of the Oakland A’s powerhouse lineup, setting records with his explosive home runs. This signed helmet is more than just a piece of memorabilia—it's a connection to baseball greatness. Secure yours today and add a valuable, authenticated piece of history to your collection!\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":40814297284652,"sku":"MCGBTH101","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBTH101.jpg?v=1773565915"},{"product_id":"mark-mcgwire-signed-rawlings-black-mlb-baseball","title":"Mark McGwire Signed Rawlings Black MLB Baseball","description":"\u003cp\u003eOwn a piece of baseball history with this \u003cstrong\u003eMark McGwire signed Rawlings black official MLB baseball\u003c\/strong\u003e—a must-have for collectors and fans of one of the most legendary sluggers in the game. As a power-hitting icon, McGwire left an indelible mark on Major League Baseball, making this autographed baseball a valuable addition to any memorabilia collection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand-signed by Mark McGwire\u003c\/strong\u003e – A rare collectible from the MLB home run legend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOfficial Rawlings black MLB baseball\u003c\/strong\u003e – A distinctive and striking display piece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthenticated by Schwartz Sports Memorabilia\u003c\/strong\u003e – Comes with a \u003cstrong\u003etamper-proof numbered hologram\u003c\/strong\u003e and \u003cstrong\u003eCertificate of Authenticity\u003c\/strong\u003e, which can be verified online for peace of mind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for display\u003c\/strong\u003e – An excellent addition to any baseball memorabilia collection, man cave, or sports-themed office.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're a longtime fan of McGwire's record-breaking career or a dedicated memorabilia collector, this \u003cstrong\u003eautographed Rawlings black MLB baseball\u003c\/strong\u003e is a standout keepsake that captures the spirit of the game. Secure yours today before it’s gone!\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":42089758916652,"sku":"MCGBSB115","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBSB115.jpg?v=1773565496"},{"product_id":"sammy-sosa-mark-mcgwire-dual-signed-rawlings-pro-black-baseball-bat-w-1998-hr-chase","title":"Sammy Sosa \u0026 Mark McGwire Dual Signed Rawlings Pro Black Baseball Bat w\/1998 HR Chase","description":"\u003cp\u003eOwn a piece of baseball history with this \u003cstrong\u003eSammy Sosa \u0026amp; Mark McGwire signed Rawlings Pro black baseball bat\u003c\/strong\u003e, commemorating their legendary \u003cstrong\u003e1998 Home Run Chase\u003c\/strong\u003e. This iconic moment in MLB history saw both sluggers smashing home run records and captivating fans worldwide. 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A must-have for fans of the era and collectors of historic MLB memorabilia, this signed baseball captures a legendary moment in baseball history when both players were at the center of America's pastime.\n\n\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHand-signed by Sammy Sosa and Mark McGwire\u003c\/strong\u003e — two of the most powerful hitters in Major League Baseball history\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOfficial Rawlings MLB baseball\u003c\/strong\u003e — the industry standard for professional-grade collectibles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes tamper-proof Schwartz Sports Memorabilia hologram\u003c\/strong\u003e — guarantees authenticity and protects your investment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComes with Certificate of Authenticity (COA)\u003c\/strong\u003e — serial-numbered and verifiable online for your peace of mind\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCelebrates the historic 1998 MLB season\u003c\/strong\u003e — when McGwire and Sosa captivated the nation with their chase to break Roger Maris’ single-season home run record\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWhether you're a lifelong fan of the St. Louis Cardinals, Chicago Cubs, or simply admire the electrifying excitement of late '90s baseball, this dual signed Sammy Sosa and Mark McGwire baseball is a compelling centerpiece for any memorabilia collection. Don’t miss your chance to own a piece of baseball history that defined a generation.","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":44248355274796,"sku":"MCGBSB117","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBSB117.jpg?v=1773564983"},{"product_id":"sammy-sosa-mark-mcgwire-dual-signed-louisville-slugger-pro-stock-black-baseball-bat","title":"Sammy Sosa \u0026 Mark McGwire Dual Signed Louisville Slugger Pro Stock Black Baseball Bat","description":"\u003cp\u003eOwn a piece of baseball history with this dual signed Louisville Slugger Pro Stock black baseball bat, autographed by legendary sluggers Sammy Sosa and Mark McGwire. Known for captivating fans during the unforgettable 1998 home run race, both players left an indelible mark on Major League Baseball history. This collectible bat honors that iconic era of power hitting and is a must-have for serious fans and memorabilia collectors alike.\u003cbr\u003e\u003cbr\u003eThis authenticated piece is perfect for display and offers long-term value for collectors who cherish the legacy of two of the game's biggest stars.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual signed by Sammy Sosa and Mark McGwire\u003c\/strong\u003e – Celebrating two of baseball’s most prolific home run hitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLouisville Slugger Pro Stock black baseball bat\u003c\/strong\u003e – A high-quality collectible reflecting professional design and game-style aesthetics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes tamper-proof Schwartz Sports Memorabilia hologram\u003c\/strong\u003e – Ensures authenticity with a unique, numbered hologram.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertificate of Authenticity (COA) included\u003c\/strong\u003e – Verified online to give collectors confidence in the legitimacy of this autographed piece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for display in sports rooms, offices, or memorabilia collections\u003c\/strong\u003e – A true conversation starter and centerpiece for any fan of 1990s baseball.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003eCelebrate the legacy of the epic 1998 home run chase and bring home a timeless collectible featuring the signatures of Sammy Sosa and Mark McGwire—an essential for any dedicated baseball memorabilia collection.","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":44248355471404,"sku":"MCGBAT114","price":679.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBAT114_b7b88099-0bf1-44a8-b4fe-ed82db4f314c.jpg?v=1771924434"},{"product_id":"bob-cousy-signed-encapsulated-check-psa-dna-copy","title":"Mark McGwire Signed Encapsulated Envelope PSA\/DNA","description":"\u003cp\u003eOwn a piece of baseball history with this \u003cstrong\u003eMark McGwire Signed Encapsulated Envelope PSA\/DNA\u003c\/strong\u003e—a must-have collectible for any serious fan of America's pastime. Known for his towering home runs and electrifying presence at the plate, Mark McGwire is one of the most iconic sluggers in Major League Baseball history. This unique item captures a moment in time, immaculately preserved and authenticated for your collection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Mark McGwire autograph\u003c\/strong\u003e on an original envelope, verified by \u003cstrong\u003ePSA\/DNA encapsulation\u003c\/strong\u003e for guaranteed authenticity and long-term preservation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHall of Fame-caliber legacy\u003c\/strong\u003e: McGwire’s 583 career home runs and pivotal role in revitalizing baseball during the '90s make this an investment-worthy keepsake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-grade condition\u003c\/strong\u003e: Encapsulated to protect the signature and envelope from wear, while showcasing the autograph in a display-ready format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA standout display piece\u003c\/strong\u003e for fans of the St. Louis Cardinals, Oakland Athletics, or baseball’s golden home run era.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for memorabilia collectors\u003c\/strong\u003e, sports history fans, or anyone who followed the legendary 1998 MLB season.\u003c\/li\u003e\n\u003c\/ul\u003eWhether you're commemorating Mark McGwire's game-changing impact or seeking a distinctive item to elevate your collection, this signed encapsulated envelope blends nostalgia, rarity, and authenticity. Don't miss your chance to secure this PSA\/DNA certified autograph from one of baseball’s most talked-about power hitters.","brand":"JP's Sports and Rock Solid Promotions","offers":[{"title":"Default Title","offer_id":44641986412588,"sku":"M11065","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/IMG_3479_49fffb61-414e-4777-b94d-a12103fe2046.jpg?v=1773574892"},{"product_id":"mark-mcgwire-sammy-sosa-autographed-red-white-blue-jersey-st-louis-cardinals-chicago-cubs-beckett-bas-witness-stock-253589","title":"Mark McGwire \u0026 Sammy Sosa Autographed Red, White \u0026 Blue Jersey St. Louis Cardinals, Chicago Cubs Beckett BAS Witness Stock #253589","description":"\u003cp\u003eCelebrate one of the most electrifying power duos in baseball history with this stunning Blue, Red \u0026amp; White Jersey hand-signed by Sammy Sosa and Mark McGwire. Revered for their unforgettable 1998 home run race that captivated fans and reignited America's love for baseball, both sluggers have left an indelible mark on MLB history. This piece is a must-have for serious collectors and nostalgic fans alike.\n\nThis is a custom jersey, approximately size XL, with no official team or name branding. However, the craftsmanship shines through with high-quality stitched names and numbers, modeled in the style of MLB jerseys that reflect the era of these baseball legends.\n\nAuthenticated by Beckett Authentication Services (BAS), this jersey includes their tamper-proof witness hologram, ensuring 100% authenticity and peace of mind for your investment.\n\n\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eHand-signed by MLB legends Sammy Sosa and Mark McGwire\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eCustom Blue, Red \u0026amp; White Jersey – Size XL\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eProfessionally stitched names and numbers\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eIndependently certified authentic by Beckett (BAS) with witness hologram\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eA perfect collector’s item commemorating the iconic 1998 home run chase\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWhether you're a lifelong fan of the Chicago Cubs, St. Louis Cardinals, or just appreciate the historic impact of the 1998 MLB season, this dual-signed jersey brings a powerful chapter of baseball history directly into your collection.","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":44844539772972,"sku":"253589","price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/STOCK_10_8_25_1053__38242.jpg?v=1773527929"},{"product_id":"sammy-sosa-mark-mcgwire-autographed-official-mlb-baseball-chicago-cubs-st-louis-cardinals-beckett-bas-witness-stock-253599","title":"Sammy Sosa \u0026 Mark McGwire Autographed Official MLB Baseball Chicago Cubs, St. Louis Cardinals Beckett BAS Witness Stock #253599","description":"\u003cp\u003e\nCelebrate one of baseball’s most iconic home run rivalries with this \u003cstrong\u003eOfficial MLB Baseball hand signed by Sammy Sosa \u0026amp; Mark McGwire\u003c\/strong\u003e. A must-have for collectors of 1990s sports memorabilia, this piece commemorates the unforgettable 1998 MLB season — a year that brought new energy to America’s pastime and captivated fans around the globe.\n\nBoth \u003cstrong\u003eSammy Sosa\u003c\/strong\u003e and \u003cstrong\u003eMark McGwire\u003c\/strong\u003e etched their names into baseball history during their legendary home run chase, reigniting passion in the sport. This dual-signed ball connects you directly to that legendary summer and makes for a standout addition to any collection of Major League Baseball memorabilia.\n\n\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOfficial MLB Baseball\u003c\/strong\u003e hand signed by both \u003cstrong\u003eSammy Sosa\u003c\/strong\u003e and \u003cstrong\u003eMark McGwire\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthenticated by Beckett Authentication Services (BAS)\u003c\/strong\u003e with tamper-proof witness hologram included for verification and peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerfect for MLB memorabilia collectors, baseball historians, and fans of the legendary 1998 home run race\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal display piece\u003c\/strong\u003e for sports rooms, offices, or personal memorabilia showcases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nAdd a piece of baseball history to your collection with this authentic, certified keepsake that honors not just two sluggers, but an unforgettable moment in Major League Baseball legacy.\n","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":44844540100652,"sku":"253599","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/STOCK_10_8_25_1039__64442.jpg?v=1773527928"},{"product_id":"sammy-sosa-mark-mcgwire-dual-signed-louisville-slugger-pro-stock-black-baseball-bat-1","title":"Sammy Sosa \u0026 Mark McGwire Dual Signed Louisville Slugger Pro Stock Black Baseball Bat","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed, signed memorabilia: dual-signed Louisville Slugger Pro Stock black bat by Sammy Sosa and Mark McGwire.\u003c\/strong\u003e In 1998, McGwire and Sosa led baseball’s legendary home run chase—McGwire set a then-record with 70 while Sosa won NL MVP with 66 and remains the only player with three 60-homer seasons. McGwire, the 1987 AL Rookie of the Year and a 12-time All-Star, finished with 583 career home runs; Sosa totaled 609 and earned seven All-Star selections.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Sammy Sosa \u0026amp; Mark McGwire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Dual-signed Louisville Slugger Pro Stock black baseball bat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Schwartz Sports Memorabilia tamper-proof numbered hologram and online-verifiable COA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by Schwartz Sports Memorabilia, this dual-signature bat is verified authentic and honors a defining chapter of MLB history. The trusted hologram and COA provide long-term collecting confidence and value for serious baseball fans and memorabilia buyers.\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":45327486418988,"sku":"MCGBAT114","price":679.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBAT114.jpg?v=1773564980"},{"product_id":"jose-canseco-mark-mcgwire-signed-louisville-slugger-black-pro-stock-baseball-bat-w-bash-brothers","title":"Jose Canseco \u0026 Mark McGwire Signed Louisville Slugger Black Pro Stock Baseball Bat w\/Bash Brothers","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed and signed memorabilia: Jose Canseco \u0026amp; Mark McGwire dual-signed Louisville Slugger Pro Stock black bat with \"Bash Brothers\" inscription.\u003c\/strong\u003e As the Oakland A's Bash Brothers, they powered three straight AL pennants (1988–1990) and the 1989 World Series title. Canseco won the 1988 AL MVP, became MLB's first 40–40 player, and is a 6-time All-Star; McGwire was the 1987 AL Rookie of the Year, a 12-time All-Star, 1989 champion, and later set the single-season home run record with 70 in 1998.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Jose Canseco \u0026amp; Mark McGwire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Dual-signed Louisville Slugger Pro Stock black baseball bat; \"Bash Brothers\" inscription added by Jose Canseco\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Schwartz Sports Memorabilia tamper-proof numbered hologram and online-verifiable Certificate of Authenticity (COA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBacked by Schwartz Sports Memorabilia, this verified authentic bat offers trusted third-party assurance that supports long-term collectability and market confidence. A display-ready piece capturing the power-hitting legacy of Oakland's Bash Brothers era.\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":45445246713900,"sku":"CANBAT114","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/CANBAT113.jpg?v=1775810236"},{"product_id":"mark-mcgwire-signed-louisville-slugger-blonde-baseball-bat","title":"Mark McGwire Signed Louisville Slugger Blonde Baseball Bat","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed Mark McGwire signed Louisville Slugger blonde baseball bat—authenticated memorabilia with a Schwartz Sports hologram and COA.\u003c\/strong\u003e One of baseball’s most feared sluggers, McGwire hit 583 career home runs, won the 1987 AL Rookie of the Year, and captured a World Series title with the 1989 Oakland A’s. With the St. Louis Cardinals, he set the then–single-season home run record with 70 in 1998 and earned 12 All-Star selections across his career.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAthlete:\u003c\/strong\u003e Mark McGwire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Louisville Slugger Pro Stock blonde baseball bat, hand-signed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Schwartz Sports Memorabilia tamper-proof numbered hologram and online-verifiable Certificate of Authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis verified authentic piece comes with trusted Schwartz Sports Memorabilia certification, giving long-term confidence in the signature and the legacy of one of the game’s greatest power hitters. A display-ready bat with strong collector appeal for fans of the Oakland A’s and St. Louis Cardinals alike.\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":45445247205420,"sku":"MCGBAT115","price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGBAT115.jpg?v=1775810236"},{"product_id":"mark-mcgwire-sammy-sosa-signed-sports-illustrated-12-21-98-sportsmen-of-the-year-original-magazine","title":"Mark McGwire \u0026 Sammy Sosa Signed Sports Illustrated 12\/21\/98 'Sportsmen Of The Year' Original Magazine","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade, authenticated autographed and signed memorabilia:\u003c\/strong\u003e original Sports Illustrated 12\/21\/1998 “Sportsmen of the Year” issue, dual-signed on the cover by Mark McGwire and Sammy Sosa. This iconic cover celebrates the 1998 home run chase—McGwire set a then-MLB single-season record with 70 HR for the St. Louis Cardinals, while Sosa crushed 66 for the Chicago Cubs and won the 1998 NL MVP. Both are 500+ home run hitters and multi-time All-Stars, cementing this magazine’s place in baseball history.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Mark McGwire \u0026amp; Sammy Sosa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Sports Illustrated “Sportsmen of the Year” original magazine (December 21, 1998), dual signed on the cover\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Schwartz Sports Memorabilia tamper-proof numbered hologram and online-verifiable Certificate of Authenticity (COA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by Schwartz Sports Memorabilia, this dual autograph carries verified authenticity that collectors can confirm online—supporting long-term value and confidence in the piece. A snapshot of one of MLB’s most talked-about seasons, this cover is a sharp fit for Cubs or Cardinals collections and a reliable addition for serious autograph and magazine memorabilia collectors.\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":45445247303724,"sku":"MCGMAG100","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/MCGMAG100.jpg?v=1775810236"},{"product_id":"jose-canseco-mark-mcgwire-signed-rawlings-official-mlb-baseball-w-bash-brothers","title":"Jose Canseco \u0026 Mark McGwire Signed Rawlings Official MLB Baseball w\/Bash Brothers","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade autographed, signed memorabilia:\u003c\/strong\u003e Jose Canseco \u0026amp; Mark McGwire dual-signed Rawlings Official MLB baseball with “Bash Brothers” inscription—authenticated by Schwartz Sports Memorabilia. Together they powered Oakland to the 1989 World Series title. Canseco captured the 1988 AL MVP and became MLB’s first 40–40 player, while McGwire won the 1987 AL Rookie of the Year and set a then-record 70 home runs in 1998.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Jose Canseco \u0026amp; Mark McGwire (Oakland A’s “Bash Brothers”)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Rawlings Official MLB baseball, dual signed with “Bash Brothers” inscription (inscription added by Canseco)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Schwartz Sports Memorabilia tamper-proof numbered hologram and Certificate of Authenticity (online verification)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBacked by a Schwartz Sports COA and hologram, this verified authentic piece offers strong collector appeal and long-term confidence, linking two of the era’s most powerful sluggers on one classic MLB baseball.\u003c\/p\u003e","brand":"Schwartz Sports Memorabilia","offers":[{"title":"Default Title","offer_id":45445247729708,"sku":"CANBSB114","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/CANBSB114.jpg?v=1775810236"},{"product_id":"nolan-ryan-signed-auto-envelope-jsa-cm07353-copy","title":"Mark McGwire Signed Auto Envelope JSA CM07356","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade, JSA-Authenticated autographed memorabilia\u003c\/strong\u003e Mark McGwire signed envelope (CM07356). A 1987 AL Rookie of the Year and 1989 World Series champion with Oakland, McGwire tallied 583 career home runs and set the single-season mark with 70 in 1998 for St. Louis.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfession - Athlete:\u003c\/strong\u003e Mark McGwire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Autographed envelope (hand-signed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e James Spence Authentication (JSA) — Certification CM07356\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by JSA, this verified signature offers collectors a clean, display-ready piece tied to one of baseball’s most iconic power hitters. The included JSA COA (CM07356) secures the autograph’s authenticity and supports its long-term collectability and value.\u003c\/p\u003e","brand":"JP's Sports and Rock Solid Promotions","offers":[{"title":"Default Title","offer_id":45498836746284,"sku":"M15400","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/IMG_1022_c06a8add-58fa-4435-99db-8e6f8075c88c.jpg?v=1777461092"},{"product_id":"mark-mcgwire-sammy-sosa-autographed-official-mlb-baseball-smudged-beckett-bas-witness-3w367258","title":"Mark McGwire \u0026 Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367258","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed and signed memorabilia: Official MLB baseball dual-signed by Mark McGwire \u0026amp; Sammy Sosa, Beckett Witnessed.\u003c\/strong\u003e The 1998 home run chase between McGwire and Sosa captivated baseball, with McGwire setting a then-record 70 HR and Sosa winning the 1998 NL MVP. McGwire, the 1987 AL Rookie of the Year and a 1989 World Series champion with Oakland, finished with 583 career homers, while Sosa joined the 600-HR club with 609 lifetime blasts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Mark McGwire \u0026amp; Sammy Sosa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Official MLB Baseball, dual-signed; note a visible smudge in the signature as shown in photos\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) Witnessed hologram #3W367258\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBacked by Beckett’s Witness program, this ball comes with a tamper-proof hologram confirming the autographs were seen and recorded by a Beckett representative—key for long-term collecting confidence. While there is a smudge present, it remains a verified piece tied to the most famous home run race of the modern era, ready for any serious baseball collection.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45540463083564,"sku":"256521","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_11_26_25_2109__47335.jpg?v=1778715891"},{"product_id":"mark-mcgwire-sammy-sosa-autographed-official-mlb-baseball-smudged-beckett-bas-witness-3w367233","title":"Mark McGwire \u0026 Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367233","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade MLB memorabilia: autographed and dual-signed Official MLB baseball by Mark McGwire \u0026amp; Sammy Sosa (smudged) with Beckett BAS Witness #3W367233.\u003c\/strong\u003e In 1998, McGwire set a then-record 70 home runs while Sosa hit 66 and won the NL MVP, fueling the era-defining home run race. McGwire is a 1989 World Series champion with 583 career homers; Sosa finished with 609 and is the only player with three 60-HR seasons.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Mark McGwire \u0026amp; Sammy Sosa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Official MLB Baseball, dual-signed; light signature smudge present as shown; Beckett BAS Witness hologram #3W367233\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) Witness — tamper-proof hologram affixed; in-person witnessed signatures documented by BAS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEach autograph was witnessed by Beckett and linked to the matching hologram, giving you verified authentic signatures from one of baseball’s most memorable storylines. Beckett’s certification adds trusted third-party backing that supports the piece’s long-term collectability and value.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45540463116332,"sku":"256515","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_11_26_25_2020__91385.jpg?v=1778715892"},{"product_id":"mark-mcgwire-sammy-sosa-autographed-official-mlb-baseball-smudged-beckett-bas-witness-3w367066","title":"Mark McGwire \u0026 Sammy Sosa Autographed Official MLB Baseball (Smudged) Beckett BAS Witness #3W367066","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade autographed memorabilia\u003c\/strong\u003e—this Official MLB baseball is signed by Mark McGwire and Sammy Sosa and comes authenticated on-site by Beckett (BAS Witness #3W367066). Their 1998 home run race gripped the sport, with McGwire setting a then-record 70 HRs and Sosa belting 66 while winning the NL MVP. Both joined the 500 Home Run Club; McGwire was the 1987 AL Rookie of the Year, and Sosa remains the only player with three 60-HR seasons.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Mark McGwire \u0026amp; Sammy Sosa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Official MLB Baseball – dual-signed (note: signature smudge visible as pictured)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) Witnessed Hologram #3W367066\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis dual-signature ball is verified authentic by Beckett’s Witness program, giving you a piece tied directly to the most electric home run chase in modern baseball. The BAS hologram secures the legitimacy of the signatures and supports long-term collectibility for serious fans and memorabilia buyers.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45540463149100,"sku":"256518","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_11_26_25_2091__34676.jpg?v=1778715892"},{"product_id":"reggie-jackson-signed-8x10-photo-cn60142-copy","title":"Mark McGwire Signed 8x10 Photo JSA CN60143 - See Description","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade, JSA-authenticated autographed and signed 8x10 photo memorabilia of Mark McGwire (COA #CN60143).\u003c\/strong\u003e One of baseball’s most feared sluggers, McGwire smashed 70 home runs in 1998 to set the single-season record at the time, captured the 1987 AL Rookie of the Year, and helped Oakland win the 1989 World Series. He finished with 583 career home runs and multiple All-Star selections, securing his place in MLB history.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfession - Athlete:\u003c\/strong\u003e Mark McGwire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Signed 8x10 Photo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e JSA COA #CN60143\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by JSA, a leading third-party in our hobby, this signature offers long-term confidence for any serious baseball collection. Please note: the photo shows several creases from prior handling, but the autograph presents well. A solid piece of Mark McGwire memorabilia that connects you directly to the power and excitement of his record-chase era.\u003c\/p\u003e","brand":"JP's Sports and Rock Solid Promotions","offers":[{"title":"Default Title","offer_id":45589399699500,"sku":"M15520","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/IMG_1558_3d7d4836-74b1-4957-92a3-39baa83bb5e1.jpg?v=1780398554"},{"product_id":"3000-hit-club-signed-framed-poster-jsa-loa-x91406-copy","title":"Mark McGwire Signed Framed 16x20 - Cardinals JSA CN60398","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade, JSA-authenticated autographed signed memorabilia\u003c\/strong\u003e featuring a bold Mark McGwire signature on a framed 16x20 Cardinals display. McGwire crushed 70 home runs in 1998 to set a new single-season record and finished with 583 career homers. He captured the 1987 AL Rookie of the Year award, made 12 All-Star teams, and won the 1989 World Series with Oakland.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthlete:\u003c\/strong\u003e Mark McGwire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Signed Framed 16x20 Photo (St. Louis Cardinals); frame approx. 22x26 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e JSA COA CN60398 (James Spence Authentication)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by JSA with matching certification, this piece gives collectors confidence in the autograph’s authenticity and long-term value. A display-ready McGwire signature that anchors any Cardinals or home run era collection.\u003c\/p\u003e","brand":"JP's Sports and Rock Solid Promotions","offers":[{"title":"Default Title","offer_id":45589399732268,"sku":"M15508","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/IMG_1510_7475d057-d1e6-476e-a29c-6db0e6097402.jpg?v=1780398554"},{"product_id":"stan-musial-signed-auto-rawlings-baseball-jsa-cn60110-copy","title":"Mark McGwire Steve Howe Multi Signed Auto Rawlings Baseball JSA CN60109","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade autographed memorabilia: a Rawlings baseball signed by Mark McGwire and Steve Howe, JSA certified (COA CN60109).\u003c\/strong\u003e Mark McGwire crushed 583 career home runs, won the 1987 AL Rookie of the Year, and set the single-season record with 70 in 1998; he also helped the Oakland A’s win the 1989 World Series. Steve Howe earned the 1980 NL Rookie of the Year and contributed to the Dodgers’ 1981 World Series title.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollector's Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthletes:\u003c\/strong\u003e Mark McGwire, Steve Howe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Rawlings baseball, dual-signed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e JSA (James Spence Authentication), COA CN60109\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by JSA, this dual-signed baseball is verified authentic and collector-grade, giving you a trustworthy MLB piece tied to two award-winning careers. The independent certification and clear identification of both signatures support long-term value and make this a confident pickup for serious baseball memorabilia collectors.\u003c\/p\u003e","brand":"JP's Sports and Rock Solid Promotions","offers":[{"title":"Default Title","offer_id":45589399896108,"sku":"M15627","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/IMG_1897_c9de2268-3998-45e8-bb0b-c3aa9d1befbe.jpg?v=1780398558"}],"url":"https:\/\/www.pristinemarketplace.com\/collections\/mark-mcgwire.oembed?page=2","provider":"Pristine Marketplace","version":"1.0","type":"link"}