{"product_id":"seattle-mariners-edgar-martinez-autographed-white-nike-jersey-size-xl-beckett-bas-witness-authentic","title":"Seattle Mariners Edgar Martinez Autographed White Nike Jersey (Size XL) - Beckett BAS Witness Authentic","description":"\u003carticle class=\"product-description\"\u003e\u003cheader class=\"product-description__header\"\u003e\u003c\/header\u003e\n\u003csection class=\"product-description__story\"\u003e\n\u003ch2\u003eThe Pride of Seattle: Edgar Martinez Signed White Nike Seattle Mariners Jersey (Size XL)\u003c\/h2\u003e\n\u003cp\u003eOwn an absolute blue-chip asset from one of the most revered and clutch hitters in Major League Baseball history with this white Nike Seattle Mariners jersey, hand-signed by Hall of Famer, Edgar Martinez. The man so dominant that MLB named the Designated Hitter of the Year Award in his honor, Edgar spent his entire illustrious 18-year career in Seattle, delivering iconic moments like \"The Double\" in 1995. This beautiful, clean white Nike canvas signed by the 7-time All-Star, 5-time Silver Slugger, and 2-time AL batting champion represents a museum-tier cornerstone for elite sports memorabilia investors and passionate Pacific Northwest collectors alike.\u003c\/p\u003e\n\u003cp\u003eThis jersey is an officially licensed Nike product, engineered to the brand's premium specifications in a highly sought-after adult Size XL. Featuring the Mariners' classic home colorway with meticulously stitched tackle twill team lettering and player numbers, the jersey serves as the ultimate display template. Martinez has executed his elegant signature autograph in sharp, permanent high-contrast ink directly across his iconic number 11. The bold signature delivers exceptional visual pop and is beautifully optimized for custom framing, a luxury jersey shadowbox, or a prominent showcase feature in your executive office, personal gallery, or fan cave.\u003c\/p\u003e\n\u003cp\u003eBecause official Nike autographed jerseys retain a premium market pedigree compared to unbranded replicas, this specific piece offers sustained long-term valuation security for serious sports art portfolios.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"product-description__auth-details\"\u003e\n\u003ch2\u003eIronclad Beckett Authentication Services (BAS) Witness Validation\u003c\/h2\u003e\n\u003cp\u003eTo preserve the uncompromised market value, premium investment pedigree, and historical legitimacy of this baseball asset, this signature is backed by the industry's ultimate standard in third-party verification: \u003cstrong\u003eBeckett Authentication Services (BAS) Witness Certification\u003c\/strong\u003e. This means a designated Beckett representative was physically present to witness Edgar Martinez sign the jersey.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication Firm:\u003c\/strong\u003e Beckett Authentication Services (BAS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthlete:\u003c\/strong\u003e Edgar Martinez (HOF 2019)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeam Franchise:\u003c\/strong\u003e Seattle Mariners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Hand-Signed Authentic Nike Jersey (Size XL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJersey Specifications:\u003c\/strong\u003e Official Home White Design, Size XL, Sewn Tackle Twill Lettering \u0026amp; Numbers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication Type:\u003c\/strong\u003e Tamper-Proof Serial-Numbered Beckett Witness Security Hologram\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerification Deliverables:\u003c\/strong\u003e This premium collectible features a secure, tamper-evident Beckett witness hologram sticker affixed directly to the jersey. The unique database registration number can be verified instantly online to confirm the date, player session, and absolute legitimacy of the signing event.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"product-description__verification\"\u003e\n\u003cdetails class=\"auth-verify\"\u003e\n\u003csummary class=\"auth-verify__summary\"\u003e\u003cspan class=\"auth-verify__chevron\" aria-hidden=\"true\"\u003e▸\u003c\/span\u003e \u003cspan class=\"auth-verify__title\"\u003eHow to Verify Your Edgar Martinez Autograph Registry Ledger\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"auth-verify__body\"\u003e\n\u003cp class=\"auth-verify__lead\"\u003eYour genuine Edgar Martinez autographed Nike jersey features direct online verification managed by \u003cstrong\u003eBeckett Authentication Services\u003c\/strong\u003e, making validation transparent and foolproof.\u003c\/p\u003e\n\u003col class=\"auth-verify__steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocate the Security Label:\u003c\/strong\u003e Find the unique, tamper-evident Beckett witness database hologram sticker affixed directly to the jersey.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNavigate to Lookup:\u003c\/strong\u003e Open your web browser and go directly to the official Beckett Authentication serial number lookup database.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput the Serial Number:\u003c\/strong\u003e Type the specific alphanumeric tracking code printed on your witness hologram sticker into the verification portal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReview Verified Details:\u003c\/strong\u003e Instantly confirm the matching player record, signing event verification, and registration status to permanently secure your investment.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"auth-verify__footer\"\u003eFor additional inquiries regarding specialized museum-grade shadowbox framing, UV-protected acrylic glass upgrades, or shipping logistics, please reach out to our team at \u003ca href=\"mailto:orders@gamedaysportsmemorabilia.com\"\u003eorders@gamedaysportsmemorabilia.com\u003c\/a\u003e or via phone at 844-747-1658. We protect every investment with our ironclad \u003cstrong\u003eLifetime Authenticity Guarantee\u003c\/strong\u003e: if this item ever fails verification by the issuing firm, we will provide a 100% refund of your purchase price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection class=\"product-description__shipping-policy\"\u003e\n\u003ch2\u003eRisk-Free Shopping \u0026amp; Premium Protective Shipping\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Protective Packaging:\u003c\/strong\u003e Your autographed Nike jersey is carefully folded, enclosed in an archival protective poly bag to safeguard against moisture or transit friction, and shipped inside a rigid, secure shipping container. Standard ground shipping is completely free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree 30-Day Returns:\u003c\/strong\u003e Shop with absolute peace of mind. If you are not completely satisfied with the jersey's stitching quality, signature clarity, or overall presentation quality upon arrival, return it within 30 days for a full refund—we cover all return shipping and handling costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"product-description__specs\"\u003e\n\u003ch2\u003eProduct Specifications \u0026amp; Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthlete:\u003c\/strong\u003e Edgar Martinez\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeam Franchise:\u003c\/strong\u003e Seattle Mariners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Hand-Signed Baseball Jersey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJersey Brand \u0026amp; Style:\u003c\/strong\u003e Official Nike Home White Jersey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJersey Size:\u003c\/strong\u003e Adult Size XL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignature Ink:\u003c\/strong\u003e High-Contrast, Fade-Resistant Permanent Ink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Beckett Authentication Services (BAS) Tamper-Proof Witness Hologram\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Pristine, brand-new collector condition, ready for framing or immediate showcase display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/article\u003e","brand":"Gameday Sports \u0026 Memorabilia","offers":[{"title":"Default Title","offer_id":54173565976875,"sku":"266274","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/6124\/5995\/files\/STOCK_7_17_26_2028__50124.jpg?v=1784344751","url":"https:\/\/gamedaysportsmemorabilia.com\/products\/seattle-mariners-edgar-martinez-autographed-white-nike-jersey-size-xl-beckett-bas-witness-authentic","provider":"Gameday Sports \u0026 Memorabilia","version":"1.0","type":"link"}