{"product_id":"mark-clayton-mark-duper-signed-miami-dolphins-replica-helmet","title":"Mark Clayton \u0026 Mark Duper Signed Miami Dolphins Replica Helmet","description":"\u003ch3\u003eAbout This Item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHand-signed by Miami Dolphins legends Mark Clayton and Mark Duper\u003c\/li\u003e\n\u003cli\u003eFull-size replica football helmet featuring the 1980–1996 era logo\u003c\/li\u003e\n\u003cli\u003eAuthenticated by JSA (James Spence Authentication)\u003c\/li\u003e\n\u003cli\u003eIncludes matching JSA Certificate of Authenticity and tamper-evident hologram\u003c\/li\u003e\n\u003cli\u003eCelebrates the legendary \"Marks Brothers\" wide receiver tandem\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ultimateautos eBay","offers":[{"title":"Default Title","offer_id":67972730028185,"sku":"237173802537","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0016\/7087\/3145\/files\/s-l1600_d4634005-ff09-4852-bff6-b04f0f841dee.jpg?v=1794314367","url":"https:\/\/ultimateautographs.com\/products\/mark-clayton-mark-duper-signed-miami-dolphins-replica-helmet","provider":"Ultimate Autographs","version":"1.0","type":"link"}