{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-psa-9-auto-grade-gem-mint-10-psa-dna-65116802","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners PSA 9 Auto Grade Gem Mint 10 PSA\/DNA #65116802","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade, PSA\/DNA certified autographed and signed memorabilia — Ken Griffey Jr. 1989 Upper Deck Rookie Card #1 (PSA 9, Gem Mint 10 autograph)\u003c\/strong\u003e A 13-time All-Star and 10-time Gold Glove winner, Griffey captured the 1997 AL MVP and finished with 630 home runs. He entered the National Baseball Hall of Fame in 2016 with a then-record 99.32% of the vote, securing his legacy as a Seattle Mariners icon.\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 Autographed 1989 Upper Deck Rookie Card #1, Seattle Mariners — PSA 9 card grade; PSA\/DNA Auto Grade Gem Mint 10; Cert #65116802; encapsulated in PSA’s tamper‑proof holder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e PSA\/DNA — verified authentic signature with Gem Mint 10 auto grade; trusted third‑party grading and certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis PSA\/DNA authenticated rookie auto is a verified authentic piece tied to one of baseball’s most important modern cards. The combination of a PSA 9 card grade with a PSA\/DNA Gem Mint 10 autograph, backed by PSA’s certification and secure holder, supports long-term confidence for serious collectors and Mariners fans alike.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45583963422764,"sku":"265479","price":2399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_5_29_26_1020__26385.jpg?v=1780182391","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-psa-9-auto-grade-gem-mint-10-psa-dna-65116802","provider":"Pristine Marketplace","version":"1.0","type":"link"}