{"product_id":"seattle-mariners-edgar-martinez-autographed-white-nike-cooperstown-collection-jersey-size-l-beckett-bas-witness","title":"Seattle Mariners Edgar Martinez Autographed White Nike Cooperstown Collection Jersey Size L Beckett BAS Witness","description":"\u003cp\u003eAdd a legendary piece of Seattle Mariners history to your collection with this \u003cstrong\u003eEdgar Martinez Autographed White Nike Cooperstown Collection Jersey\u003c\/strong\u003e (Size L). One of the greatest designated hitters in MLB history, Martinez was a seven-time All-Star, five-time Silver Slugger, and a 2019 Hall of Fame inductee.\u003c\/p\u003e\u003cp\u003eThis premium \u003cstrong\u003eWhite Nike Cooperstown Collection jersey\u003c\/strong\u003e features classic Mariners styling, complete with fully stitched name and numbers. Edgar Martinez’s bold signature is prominently displayed on the back number, making this an exceptional display piece for Mariners fans and baseball collectors.\u003c\/p\u003e\u003cp\u003eThis is an officially licensed \u003cstrong\u003eNike Cooperstown Collection\u003c\/strong\u003e jersey (not a custom jersey), offering authentic MLB-quality fabric, stitching, and detailing. Jersey size: \u003cstrong\u003eLarge (L)\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe autograph is authenticated by \u003cstrong\u003eBeckett Authentication Services (BAS Witness)\u003c\/strong\u003e. A Beckett representative personally witnessed the signing, and the jersey includes a tamper-proof BAS Witness hologram for guaranteed lifetime authenticity.\u003c\/p\u003e\u003cp\u003ePerfect for framing, man caves, memorabilia displays, or as a gift for Mariners diehards, this signed Edgar Martinez jersey is a premium collectible honoring an all-time Seattle great.\u003c\/p\u003e\u003cp\u003eYour order includes \u003cstrong\u003eFree Shipping \u0026amp; Free Returns\u003c\/strong\u003e, professionally packaged and fully insured for safe delivery.\u003c\/p\u003e\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHand-signed by Mariners legend \u003cstrong\u003eEdgar Martinez\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOfficial \u003cstrong\u003eNike Cooperstown Collection Jersey\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eJersey Size: \u003cstrong\u003eL (Large)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFully stitched name \u0026amp; numbers\u003c\/li\u003e\n\u003cli\u003eAuthenticated by \u003cstrong\u003eBeckett BAS Witness\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes tamper-proof BAS Witness hologram\u003c\/li\u003e\n\u003cli\u003eIdeal for framing \u0026amp; premium display setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping \u0026amp; Free Returns\u003c\/strong\u003e within the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePlayer\u003c\/th\u003e\n\u003ctd\u003eEdgar Martinez\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTeam\u003c\/th\u003e\n\u003ctd\u003eSeattle Mariners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Type\u003c\/th\u003e\n\u003ctd\u003eAutographed Official Nike Jersey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollection\u003c\/th\u003e\n\u003ctd\u003eCooperstown Collection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eJersey Color\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eJersey Size\u003c\/th\u003e\n\u003ctd\u003eLarge (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStitching\u003c\/th\u003e\n\u003ctd\u003eFully stitched name \u0026amp; numbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuthentication\u003c\/th\u003e\n\u003ctd\u003eBeckett BAS Witness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eBAS Witness tamper-proof hologram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBrand New \/ Never Worn\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping\u003c\/th\u003e\n\u003ctd\u003eFree Shipping \u0026amp; Free Returns (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eAuthenticity\u003c\/h2\u003e\u003cp\u003eThis jersey is authenticated by \u003cstrong\u003eBeckett Authentication Services (BAS Witness)\u003c\/strong\u003e. Each autograph is witnessed in person by a Beckett representative to ensure permanent, verifiable authenticity.\u003c\/p\u003e\u003ch2\u003eDisplay \u0026amp; Care\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIdeal for framing in a full-size display case\u003c\/li\u003e\n\u003cli\u003eStore out of direct sunlight to preserve the signature\u003c\/li\u003e\n\u003cli\u003eHandle with care prior to framing to avoid wrinkles\u003c\/li\u003e\n\u003cli\u003eDisplay-only item — not intended for wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping:\u003c\/strong\u003e Fast, insured shipping across the U.S.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Returns:\u003c\/strong\u003e 30-day money-back guarantee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Packaging:\u003c\/strong\u003e Carefully folded, bagged \u0026amp; boxed for protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs the autograph authentic?\u003c\/h3\u003e\n\u003cp\u003eYes — this jersey includes an official \u003cstrong\u003eBAS Witness hologram\u003c\/strong\u003e guaranteeing authenticity.\u003c\/p\u003e\n\u003ch3\u003eIs this a custom jersey?\u003c\/h3\u003e\n\u003cp\u003eNo — this is an \u003cstrong\u003eofficial Nike Cooperstown Collection\u003c\/strong\u003e jersey.\u003c\/p\u003e\n\u003ch3\u003eDoes the jersey come framed?\u003c\/h3\u003e\n\u003cp\u003eNo — the jersey ships unframed but fits standard full-size display frames.\u003c\/p\u003e\n\u003ch3\u003eIs shipping free?\u003c\/h3\u003e\n\u003cp\u003eYes — all GameDay Sports Memorabilia items include \u003cstrong\u003eFree Shipping \u0026amp; Free Returns\u003c\/strong\u003e within the USA.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":52581895930155,"sku":"230595","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/6124\/5995\/files\/Seattle-Mariners-Edgar-Martinez-Autographed-White-Nike-Cooperstown-Collection-Jersey-Size-L-Beckett-BAS-Witness-Stock-230595_319483__40664.1744568162.1280.1280.jpg?v=1772456335","url":"https:\/\/gamedaysportsmemorabilia.com\/products\/seattle-mariners-edgar-martinez-autographed-white-nike-cooperstown-collection-jersey-size-l-beckett-bas-witness","provider":"Gameday Sports \u0026 Memorabilia","version":"1.0","type":"link"}