{"product_id":"ken-griffey-jr-sr-mariners-signed-louisville-slugger-bat-back-to-back-bas","title":"Ken Griffey Jr \u0026 Sr Mariners Signed Louisville Slugger Bat Back To Back BAS","description":"\u003cp\u003e\u003cstrong\u003eCollector Grade autographed, dual-signed memorabilia—Ken Griffey Jr \u0026amp; Ken Griffey Sr Seattle Mariners Louisville Slugger bat inscribed \"Back To Back HRs 9\/14\/90,\" authenticated by Beckett (BAS).\u003c\/strong\u003e Ken Griffey Jr, a 2016 Hall of Famer and 1997 AL MVP, smashed 630 career home runs and earned 13 All-Star selections. Ken Griffey Sr was a 3-time All-Star and 2-time World Series champion with the Reds. On September 14, 1990, they became the first father and son to hit back-to-back home runs in an MLB game—the exact moment honored by this inscription.\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\u003eAthletes:\u003c\/strong\u003e Ken Griffey Jr \u0026amp; Ken Griffey Sr\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Louisville Slugger baseball bat, dual-signed and inscribed “Back To Back HRs 9\/14\/90”\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) hologram and matching COA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBacked by Beckett’s hologram and COA, this dual-signed bat is verified authentic and tied to one of baseball’s rarest father–son feats, offering trusted long-term value for serious Mariners and Hall of Fame collections.\u003c\/p\u003e","brand":"Sports Integrity","offers":[{"title":"Default Title","offer_id":46398132387884,"sku":"62018","price":769.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/griffey-jr-sr-blk-ls-bat-back-to-back-insc-bas.jpg?v=1792065481","url":"https:\/\/www.pristinemarketplace.com\/products\/ken-griffey-jr-sr-mariners-signed-louisville-slugger-bat-back-to-back-bas","provider":"Pristine Marketplace","version":"1.0","type":"link"}