{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-beckett-bas-19211207","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Beckett BAS #19211207","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed and signed memorabilia: Ken Griffey Jr. 1989 Upper Deck Rookie Card #1, Beckett BAS encapsulated.\u003c\/strong\u003e Widely considered one of baseball’s greatest center fielders, Griffey won the 1997 AL MVP, made 13 All-Star teams, and crushed 630 career home runs. He entered the National Baseball Hall of Fame in 2016 and remains the defining star of the Seattle Mariners’ golden era.\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 — hand-signed; Beckett BAS #19211207; encapsulated in tamper-proof holder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) certification and slab\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis flagship Griffey rookie is a hobby icon, and the on-card signature is secured by Beckett’s COA and serial-numbered slab for long-term confidence. For collectors of Seattle Mariners or Hall of Fame memorabilia, this verified authentic piece brings together the signature, the card that defined an era, and trusted third-party authentication.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45695528140844,"sku":"257754","price":839.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_1_15_26_1408__91444.jpg?v=1782172628","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-beckett-bas-19211207","provider":"Pristine Marketplace","version":"1.0","type":"link"}