{"product_id":"ken-griffey-jr-autographed-1989-upper-deck-rookie-card-27-seattle-mariners-beckett-bas-19211331","title":"Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #27 Seattle Mariners Beckett BAS #19211331","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed, signed memorabilia: Ken Griffey Jr. 1989 Upper Deck Rookie Card #27 authenticated by Beckett (BAS) and encapsulated, cert #19211331.\u003c\/strong\u003e Inducted into the National Baseball Hall of Fame in 2016, Griffey Jr. is a 13-time All-Star and the 1997 AL MVP. With 630 career home runs and 10 Gold Gloves, he’s a Seattle Mariners legend and one of the most collected players of the modern 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 #27, Seattle Mariners — hand-signed and encapsulated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS), Cert #19211331; tamper-proof holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis verified authentic Griffey rookie autograph is a true collector piece—securely sealed by Beckett to protect the signature and support long-term value. A cornerstone for Mariners fans and serious baseball memorabilia collectors, it brings together an iconic rookie card, a bold on-card signature, and blue-chip third-party authentication.\u003c\/p\u003e","brand":"Mill Creek","offers":[{"title":"Default Title","offer_id":45818441695276,"sku":"257607","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_1114__06333.jpg?v=1784337232","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-autographed-1989-upper-deck-rookie-card-27-seattle-mariners-beckett-bas-19211331","provider":"Pristine Marketplace","version":"1.0","type":"link"}