{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-beckett-bas-19211289","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Beckett BAS #19211289","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade autographed memorabilia: signed Ken Griffey Jr. 1989 Upper Deck Rookie Card #1 (Seattle Mariners), Beckett BAS encapsulated.\u003c\/strong\u003e Inducted into the Hall of Fame in 2016 with a then-record vote share, Griffey crushed 630 home runs and won the 1997 AL MVP. A 13-time All-Star and 10-time Gold Glove center fielder, he defined 1990s baseball and remains a cornerstone of modern card collecting.\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) — hand-signed; Beckett BAS #19211289; tamper-proof encapsulation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) — serial-numbered COA and slab\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by Beckett and secured in their holder, this verified authentic Griffey rookie offers long-term confidence for serious baseball memorabilia collectors. A true hobby icon, it pairs an on-card signature with trusted third-party certification to honor one of the game’s all-time greats.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45597575675948,"sku":"257762","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_1424__56233.jpg?v=1780527177","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-1-seattle-mariners-beckett-bas-19211289","provider":"Pristine Marketplace","version":"1.0","type":"link"}