{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-bgs-8-5-auto-grade-gem-mint-10-beckett-bas-20520245","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners BGS 8.5 Auto Grade Gem Mint 10 Beckett BAS #20520245","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed rookie card—signed by Ken Griffey Jr.—Beckett BAS authenticated memorabilia, BGS 8.5 with Gem Mint 10 auto.\u003c\/strong\u003e Inducted into the Hall of Fame in 2016, “The Kid” crushed 630 home runs and won the 1997 AL MVP. A 13-time All-Star and 10-time Gold Glove center fielder, Griffey defined the 1990s Mariners—and his 1989 Upper Deck #1 rookie is the era’s flagship card.\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 8.5 card grade, BAS Gem Mint 10 autograph; Beckett encapsulated, serial #20520245\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) for the signature and Beckett Grading Services (BGS) for the card; sealed in a tamper-proof holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by Beckett, this verified Griffey rookie autograph offers trusted certainty for collectors, with BAS and BGS backing that helps protect long-term value and preserves a key piece of baseball history from one of the game’s greatest sluggers.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45833496068140,"sku":"267149","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_7_20_26_1000__22015.jpg?v=1784676419","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-bgs-8-5-auto-grade-gem-mint-10-beckett-bas-20520245","provider":"Pristine Marketplace","version":"1.0","type":"link"}