Collection: The Marketplace

About This Item Hand-signed by Dallas Cowboys legend Roger Staubach Official Riddell Speed Mini Helmet in the specialty Blaze edition Authenticated by Beckett Witnessed with a numbered hologram and QR code Features a vibrant, high-gloss shell finish unique to the Blaze collection

About This Item Hand-signed by Dallas Cowboys legend Roger Staubach Features "HOF" inscription Full-size Riddell Speed helmet with a premium Chrome finish Beckett Witnessed Authentication includes a numbered hologram and QR code for verification

About This Item Hand-signed by Baseball Hall of Famer Wade Boggs New York Yankees style custom jersey in grey Features professionally stitched letters and numbers Authenticated by Beckett Witnessed (BAS) with numbered hologram and QR code

About This Item Hand-signed by Philadelphia Eagles legend Brandon Graham Official Riddell Full-Size Speedflex Authentic helmet Retro Philadelphia Eagles design Includes Beckett Witnessed Authentication with a numbered hologram and QR code

About This Item Hand-signed by Philadelphia Eagles legend Brandon Graham Riddell Retro Speed Mini Helmet Beckett Witnessed Authentication with numbered hologram and QR code Authenticity can be verified on the Beckett website

About This Item Hand-signed by former Notre Dame star Chase Claypool Full-size Notre Dame Fighting Irish Schutt replica helmet Authenticated by Beckett Witnessed with a numbered hologram and QR code verification

About This Item Hand-signed by the legendary "Sack Exchange": Mark Gastineau, Joe Klecko, Marty Lyons, and Abdul Salaam Authenticated by JSA (James Spence Authentication) with Witnessed COA and matching hologram Custom green pro-style jersey featuring stitched letters and numbers Size: XL; item is brand new and in excellent condition

About This Item Hand-signed by Michael J. Fox Marty McFly in Puffy Vest Funko Pop! Figurine #961 Authenticated by JSA with a Witnessed COA Signature obtained during a private or public signing

About This Item Hand-signed by Buffalo Bills legend and Hall of Famer Jim Kelly Riddell Speed Mini Helmet featuring the stylized Lunar Eclipse edition design Authenticated by JSA Witness Protection Includes JSA serial-numbered sticker and matching Certificate of Authenticity

About This Item Hand-signed by 4x NBA Champion and 2x MVP Stephen Curry Authenticated by JSA with a tamper-evident hologram and matching certificate of authenticity White custom jersey featuring fully sewn construction, numbers, and letters Ideal centerpiece for Golden State Warriors fans and sports memorabilia collectors

About This Item Hand-signed by NBA legend Stephen Curry Golden State Warriors custom gold jersey style Includes JSA certificate of authenticity and matching hologram Features professionally stitched name and numbers

About This Item Hand-signed by Texas Longhorns legends and Heisman Trophy winners Ricky Williams and Earl Campbell Custom orange football jersey with sewn numbers and letters Authenticated by JSA with a tamper-evident hologram and matching COA A unique piece featuring two of the greatest running backs in college football history

About This Item Hand-signed by Super Bowl LII champion Jay Ajayi Philadelphia Eagles custom green jersey with sewn-on numbers and letters Authenticated by Beckett with a tamper-evident hologram and matching certificate of authenticity A premium display piece for any Eagles fan or memorabilia collector

About This Item Hand-signed by Falcons legend Andre Rison Custom red jersey with sewn-on name and numbers Authenticated by JSA with a tamper-evident hologram and matching certificate Excellent display piece for any Atlanta Falcons fan

About This Item Hand-signed by Hall of Famer Ron Yary Minnesota Vikings custom on-field style jersey Authenticated by JSA with hologram and matching COA Features sewn numbers and letters

About This Item Hand-signed by Hall of Famer Steve Atwater Denver Broncos custom orange jersey Authenticated by JSA Features sewn-on name and numbers for a high-quality finish