{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-psa-9-auto-grade-mint-9-psa-dna-76568927","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners PSA 9 Auto Grade Mint 9 PSA\/DNA #76568927","description":"\u003cp\u003e\u003cstrong\u003eAuthenticated Collector Grade autographed and signed memorabilia — Ken Griffey Jr. 1989 Upper Deck Rookie Card #1 (Seattle Mariners), PSA 9 with PSA\/DNA Auto 9\u003c\/strong\u003e Griffey was inducted into the Baseball Hall of Fame in 2016, won the 1997 AL MVP, and finished with 630 home runs and 13 All-Star selections. As the flagship rookie of the modern era, the 1989 Upper Deck #1 is a cornerstone for serious baseball card collectors, and a Mint 9 on both the card and autograph adds strong long-term appeal.\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 (MLB):\u003c\/strong\u003e Ken Griffey Jr.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e 1989 Upper Deck Rookie Card #1 — hand-signed; PSA Card Grade Mint 9; PSA\/DNA Autograph Grade Mint 9; Seattle Mariners; PSA\/DNA Cert #76568927; encapsulated in PSA’s tamper-proof holder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e PSA \u0026amp; PSA\/DNA — third-party certified to protect authenticity and support long-term value\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBacked by PSA\/DNA, this verified authentic Griffey rookie pairs a high-grade card with a high-grade signature—exactly what collectors look for when adding a blue-chip Hall of Famer to a PC or investment-focused collection. The PSA holder and matching certification number ensure the autograph and card are permanently documented and trusted across the memorabilia market.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45583964405804,"sku":"265476","price":1559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_5_29_26_1014__57600.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-mint-9-psa-dna-76568927","provider":"Pristine Marketplace","version":"1.0","type":"link"}