{"product_id":"nolan-ryan-signed-auto-envelope-jsa-cm07353-copy","title":"Mark McGwire Signed Auto Envelope JSA CM07356","description":"\u003cp\u003e\u003cstrong\u003eCollector-Grade, JSA-Authenticated autographed memorabilia\u003c\/strong\u003e Mark McGwire signed envelope (CM07356). A 1987 AL Rookie of the Year and 1989 World Series champion with Oakland, McGwire tallied 583 career home runs and set the single-season mark with 70 in 1998 for St. Louis.\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\u003eProfession - Athlete:\u003c\/strong\u003e Mark McGwire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem:\u003c\/strong\u003e Autographed envelope (hand-signed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e James Spence Authentication (JSA) — Certification CM07356\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAuthenticated by JSA, this verified signature offers collectors a clean, display-ready piece tied to one of baseball’s most iconic power hitters. The included JSA COA (CM07356) secures the autograph’s authenticity and supports its long-term collectability and value.\u003c\/p\u003e","brand":"JP's Sports and Rock Solid Promotions","offers":[{"title":"Default Title","offer_id":45498836746284,"sku":"M15400","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/6196\/2028\/files\/IMG_1022_c06a8add-58fa-4435-99db-8e6f8075c88c.jpg?v=1777461092","url":"https:\/\/www.pristinemarketplace.com\/products\/nolan-ryan-signed-auto-envelope-jsa-cm07353-copy","provider":"Pristine Marketplace","version":"1.0","type":"link"}