{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-beckett-bas-19211293","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Beckett BAS #19211293","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade, BAS-authenticated autographed, signed memorabilia: Ken Griffey Jr. 1989 Upper Deck Rookie Card #1 (Seattle Mariners), Beckett BAS #19211293.\u003c\/strong\u003e Inducted into the Baseball Hall of Fame in 2016 with a then-record 99.3% vote, Griffey Jr. was the 1997 AL MVP, a 13-time All-Star, and finished with 630 home runs—one of the most celebrated careers in MLB history.\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; BAS-encapsulated (Seattle Mariners)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) — tamper-proof holder, Cert #19211293\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWidely regarded as the defining modern baseball rookie, this Griffey Jr. UD #1 gains true collector value with the verified on-card signature. Authenticated and sealed by Beckett, this piece offers trusted long-term confidence and a direct connection to a Hall of Famer whose legacy spans MVP honors, Gold Gloves, and one of the greatest swings the game has ever seen.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45597575741484,"sku":"257769","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_1438__00203.jpg?v=1780527177","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-beckett-bas-19211293","provider":"Pristine Marketplace","version":"1.0","type":"link"}