{"product_id":"john-mateer-autographed-oklahoma-sooners-f-s-speed-authentic-helmet-beckett-w","title":"John Mateer Autographed Oklahoma Sooners F\/S Speed Authentic Helmet - Beckett W","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade autographed, signed memorabilia: John Mateer’s Oklahoma Sooners full-size Riddell Speed Authentic helmet with Beckett Witnessed authentication\u003c\/strong\u003e As one of college football’s blue bloods, Oklahoma claims seven national championships and holds the NCAA’s longest winning streak at 47 games. The program also boasts seven Heisman Trophy winners, from Billy Vessels to Kyler Murray, keeping Sooners gear among the most sought-after in the hobby.\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 John Mateer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Oklahoma Sooners Riddell Full-Size Speed Authentic Helmet — hand-signed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Witnessed (numbered hologram + scannable QR code verification)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by Beckett Witnessed, this verified authentic signature includes a matching hologram and QR lookup that confirms when and where it was signed, supporting long-term value and collector confidence. Stock image shown; exact autograph placement may vary.\u003c\/p\u003e","brand":"The Jersey Source","offers":[{"title":"Default Title","offer_id":46066242748460,"sku":"33086","price":579.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/33086_20a.jpg?v=1788171042","url":"https:\/\/www.pristinemarketplace.com\/products\/john-mateer-autographed-oklahoma-sooners-f-s-speed-authentic-helmet-beckett-w","provider":"Pristine Marketplace","version":"1.0","type":"link"}