{"product_id":"detroit-lions-calvin-johnson-autographed-retro-riddell-speed-full-size-replica-football-helmet-schwartz-sports-coa","title":"Detroit Lions Calvin Johnson Autographed Retro Riddell Speed Full-Size Replica Football Helmet - Schwartz Sports COA","description":"\u003carticle class=\"product-description\"\u003e\u003cheader class=\"product-description__header\"\u003e\u003c\/header\u003e\n\u003csection class=\"product-description__story\"\u003e\n\u003ch2\u003e\"Megatron\" \u0026amp; Lions Hall of Fame Legend: Calvin Johnson Autographed Detroit Lions Retro Riddell Speed Full-Size Replica Football Helmet\u003c\/h2\u003e\n\u003cp\u003eOwn an extraordinary centerpiece of modern NFL history with this official \u003cstrong\u003eCalvin Johnson Autographed Detroit Lions Retro Riddell Speed Full-Size Replica Football Helmet\u003c\/strong\u003e. Hand-signed in sharp, high-contrast permanent marker across the iconic retro shell by NFL single-season receiving yards record holder (1,964 yards in 2012), 6-time Pro Bowler, 3-time First-Team All-Pro, NFL 2010s All-Decade Team member, and Pro Football Hall of Famer \u003cstrong\u003eCalvin \"Megatron\" Johnson (#81)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRenowned as one of the most physically gifted, unstoppable wide receivers in gridiron history, Johnson dominated defensive backs across his legendary 9-year career in Detroit. Styled in classic Detroit Lions retro team colors and vintage logo decals, this full-size Speed replica helmet is manufactured by Riddell—the premier helmet brand of the NFL. Featuring realistic facemask geometry, official side decals, chinstrap, and foam padding, this full-size helmet is designed specifically as an irreplaceable centerpiece for custom acrylic display cases, office showcases, or elite sports memorabilia collections.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"product-description__auth-details\"\u003e\n\u003ch2\u003eIronclad Schwartz Sports Authentication Validation\u003c\/h2\u003e\n\u003cp\u003eTo guarantee 100% indisputable lifetime market legitimacy, this hand-signed full-size helmet has been thoroughly examined and certified authentic by \u003cstrong\u003eSchwartz Sports Memorabilia\u003c\/strong\u003e, an industry leader in authentic sports collectibles and athlete signings.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication Firm:\u003c\/strong\u003e Schwartz Sports Memorabilia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAthlete \/ Personality:\u003c\/strong\u003e Calvin Johnson (#81 \/ \"Megatron\" \/ NFL Single-Season Receiving Yards Record Holder \/ 6x Pro Bowler \/ Pro Football Hall of Fame Class of 2021)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeam \/ League:\u003c\/strong\u003e Detroit Lions \/ National Football League (NFL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Style:\u003c\/strong\u003e Official Riddell Speed Full-Size Replica Football Helmet (Retro Lions Colorway \u0026amp; Decals)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignature Ink:\u003c\/strong\u003e High-Contrast Permanent Marker Signature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication Deliverables:\u003c\/strong\u003e Serial-numbered tamper-evident Schwartz Sports security hologram sticker attached directly to the helmet shell with a matching physical Certificate of Authenticity (COA) card.\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\"\u003e▸\u003c\/span\u003e \u003cspan class=\"auth-verify__title\"\u003eHow to Verify Your Security Hologram\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"auth-verify__body\"\u003e\n\u003cp class=\"auth-verify__lead\"\u003eYour genuine Calvin Johnson autographed helmet includes direct digital verification powered by the official \u003cstrong\u003eSchwartz Sports Online Database\u003c\/strong\u003e.\u003c\/p\u003e\n\u003col class=\"auth-verify__steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocate Security Hologram:\u003c\/strong\u003e Find the unique, tamper-evident Schwartz Sports security hologram affixed directly to the helmet shell surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNavigate to Lookup:\u003c\/strong\u003e Visit the official Schwartz Sports verification portal (schwartzsportsmemorabilia.com).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Certification Code:\u003c\/strong\u003e Type the unique alphanumeric serial code printed on your hologram sticker into the search tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReview Verified Details:\u003c\/strong\u003e Instantly confirm the matching player record, signing session details, item description, and official digital authentication status.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"auth-verify__footer\"\u003eFor additional details regarding full-size helmet acrylic display cases, UV-protective display mounts, or insured shipping logistics, please reach out to our team at \u003ca href=\"mailto:orders@gamedaysportsmemorabilia.com\"\u003eorders@gamedaysportsmemorabilia.com\u003c\/a\u003e or call 844-747-1658. We protect every investment with our \u003cstrong\u003eLifetime Authenticity Guarantee\u003c\/strong\u003e: if this item ever fails verification by Schwartz Sports, we will provide a 100% full 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 full-size helmet is carefully double-boxed, cushioned with heavy-duty protective material, and shipped fully insured to ensure it arrives crisp, pristine, and ready for immediate display. Standard ground shipping is completely free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree 30-Day Returns:\u003c\/strong\u003e Shop with total confidence. If you are not completely satisfied with the helmet's condition, signature clarity, or overall presentation upon arrival, return it within 30 days for a full refund—we cover all return shipping 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\u003ePlayer:\u003c\/strong\u003e Calvin Johnson #81 (\"Megatron\" \/ Pro Football Hall of Fame '21)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeam \/ League:\u003c\/strong\u003e Detroit Lions (NFL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Riddell Speed Full-Size Replica Football Helmet (Retro Edition)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentication:\u003c\/strong\u003e Schwartz Sports Tamper-Proof Security Hologram \u0026amp; COA Card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand-new \/ Mint collector condition, ready for display presentation\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":54941744365867,"sku":"JOHREP323","price":569.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/6124\/5995\/files\/JOHREP323.jpg?v=1786055335","url":"https:\/\/gamedaysportsmemorabilia.com\/products\/detroit-lions-calvin-johnson-autographed-retro-riddell-speed-full-size-replica-football-helmet-schwartz-sports-coa","provider":"Gameday Sports \u0026 Memorabilia","version":"1.0","type":"link"}