{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-27-seattle-mariners-beckett-bas-19211333","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #27 Seattle Mariners Beckett BAS #19211333","description":"\u003cp\u003e\u003cstrong\u003eAuthenticated Collector-Grade autographed and signed Ken Griffey Jr. rookie card memorabilia\u003c\/strong\u003e—this is the 1989 Upper Deck Rookie Card #27 for the Seattle Mariners, encapsulated and certified by Beckett Authentication Services (BAS #19211333). Griffey is a 13-time All-Star and 10-time Gold Glove winner, the 1997 AL MVP, and a first-ballot Hall of Famer in 2016. His 630 home runs helped define the Mariners’ rise in the 1990s and cemented his status among MLB’s all-time greats.\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\u003eProfession:\u003c\/strong\u003e Athlete (Baseball)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e 1989 Upper Deck Rookie Card #27, Seattle Mariners — hand signed and BAS-encapsulated in a tamper-proof holder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS), Cert #19211333\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBacked by Beckett’s COA and secure encapsulation, this signed Griffey rookie offers verified authenticity and strong long-term collectability—an ideal centerpiece for Mariners fans and seasoned card collectors who value certified, collector-grade memorabilia tied to a Hall of Fame legacy.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45818441728044,"sku":"257606","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/OK_1_15_26_1112__75258.jpg?v=1784337232","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-27-seattle-mariners-beckett-bas-19211333","provider":"Pristine Marketplace","version":"1.0","type":"link"}