{"product_id":"mariners-ken-griffey-jr-signed-white-nike-jersey-size-l-beckett-mcs-holo","title":"Mariners Ken Griffey Jr. Signed White Nike Jersey Size L Beckett \u0026 MCS Holo","description":"\u003cp\u003eThis is a White Nike Seattle Mariners Jersey that has been hand signed by Ken Griffey Jr. This jersey is Size L. This item was signed in the presence of a Mill Creek Sports representative and comes with their serial numbered hologram and matching certificate of authenticity. This item has also been certified authentic by Beckett Authentication (BAS) and comes with their sticker and matching certificate of authenticity.\u003c\/p\u003e","brand":"Mill Creek Sports","offers":[{"title":"Default Title","offer_id":52470522314983,"sku":"236969838567","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1353\/0647\/files\/s-l1600_dd69c667-0f8d-433d-899b-834795f3111b.png?v=1786564423","url":"https:\/\/www.supersportscenter.com\/products\/mariners-ken-griffey-jr-signed-white-nike-jersey-size-l-beckett-mcs-holo","provider":"Super Sports Center","version":"1.0","type":"link"}