{"product_id":"ken-griffey-jr-ken-griffey-sr-autographed-official-mlb-baseball-seattle-mariners-back-to-back-hr-91490-beckett-bas-witness","title":"Ken Griffey Jr. \u0026 Ken Griffey Sr. Autographed Official MLB Baseball Seattle Mariners \"Back To Back HR 9\/14\/90\" Beckett BAS Witness","description":"\u003cp\u003eThis is an Official MLB Baseball that has been hand signed by Ken Griffey Jr. and Ken Griffey Sr. This item was inscribed \"Back To Back HR 9\/14\/90.\" This item has been witnessed and certified authentic by Beckett Authentication (BAS) and comes with their tamper-proof witness sticker.\u003c\/p\u003e","brand":"Borderland Vault","offers":[{"title":"Default Title","offer_id":54917931565394,"sku":"MIL-230129","price":2632.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1115\/7661\/3202\/files\/20240516_155458__82625.jpg?v=1790887230","url":"https:\/\/hobbyboxworld.shop\/products\/ken-griffey-jr-ken-griffey-sr-autographed-official-mlb-baseball-seattle-mariners-back-to-back-hr-91490-beckett-bas-witness","provider":"Hobby Box World","version":"1.0","type":"link"}