{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-bgs-8-auto-grade-gem-mint-10-beckett-bas-20451188","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners BGS 8 Auto Grade Gem Mint 10 Beckett BAS #20451188","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade autographed rookie card: Ken Griffey Jr. signed 1989 Upper Deck #1—Seattle Mariners memorabilia authenticated by Beckett.\u003c\/strong\u003e A first-ballot Hall of Famer in 2016, Griffey won the 1997 AL MVP, made 13 All-Star teams, and crushed 630 home runs. Known for his silky left-handed swing and 10 Gold Gloves, he’s one of baseball’s most complete superstars.\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 Ken Griffey Jr.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e 1989 Upper Deck Rookie Card #1 (Seattle Mariners) — BGS Near Mint\/Mint 8; BAS Auto Grade Gem Mint 10; Beckett BAS #20451188; encapsulated in tamper-proof holder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) certification and encapsulation; card graded by Beckett Grading Services (BGS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis verified authentic Griffey rookie pairs the hobby’s most iconic modern RC with a Gem Mint 10 signature, backed by Beckett’s grading and BAS certification to protect long-term collector value and confidence.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45806772092972,"sku":"266387","price":1079.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_7_14_26_2114__40510.jpg?v=1784157465","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-bgs-8-auto-grade-gem-mint-10-beckett-bas-20451188","provider":"Pristine Marketplace","version":"1.0","type":"link"}