Collection: Marketplace Grail Items

About This Item Hand-signed by MLB legend Dennis Martinez Official Rawlings Major League Baseball (ROMLB) Includes JSA Witnessed Certificate of Authenticity High-quality signature on a premium leather baseball

About This Item Hand-signed by Miami Dolphins legend Mark Duper Custom jersey featuring stitched name and numbers Size: XL Includes JSA Witnessed Certificate of Authenticity

About This Item Hand-signed by Montreal Expos legend Dennis Martinez Includes JSA Witness Certificate of Authenticity Custom jersey featuring stitched name and numbers Size: XL

About This Item Hand-signed by New York Knicks guard Charlie Ward Includes "99 ECF Champs" inscription Custom jersey style (Size XL) Authenticated by JSA (Witnessed COA)

About This Item Hand-signed by Chicago Bulls legend Charles Oakley Custom Chicago Bulls jersey (Size XL) Includes JSA Witness Certificate of Authenticity

About This Item Hand-signed by Nate Robinson Custom New York Knicks style jersey Size: XL Authenticated by JSA (Witness COA)

About This Item Hand-signed by MLB legend Dennis Martinez Includes JSA Witness Certificate of Authenticity Custom Baltimore Orioles jersey style (Size XL)

About This Item Hand-signed by Miami Dolphins legend Mark Clayton Authenticated by JSA with a Witnessed Certificate of Authenticity Custom jersey featuring Miami team colors Size: XL

About This Item Hand-signed by Knicks legend Charles Oakley Authenticated by JSA (Witnessed Certificate of Authenticity) Custom New York Knicks style jersey with stitched name and numbers Size: XL

About This Item Hand-signed by Hockey Hall of Famer Chris Chelios Chicago Blackhawks custom white jersey with sewn-on lettering and numbering Authenticated by Beckett with a tamper-evident hologram and matching COA Size XL, ideal for display in a shadow box or frame

About This Item Hand-signed by Minnesota Vikings star quarterback Daunte Culpepper Riddell Minnesota Vikings retro alternate style mini helmet Authenticated by JSA with a tamper-evident hologram and matching COA Ideal for collectors and fans of the early 2000s Vikings era

About This Item Hand-signed by Jaguars legend Maurice Jones-Drew Authenticated by Beckett (BAS) Custom teal jersey featuring sewn-on name and numbers Note: Minor stray ink mark on reverse number, common in hand-signed items

About This Item Hand-signed by Kansas City Chiefs legend Tamba Hali Authenticated by JSA with a tamper-evident hologram and matching COA Premium custom black jersey with fully sewn numbers and letters A centerpiece for any Chiefs defensive collection

About This Item Hand-signed by San Francisco 49ers legend Garrison Hearst Official San Francisco 49ers mini helmet with shell and nameplate Authenticated by Beckett (BAS) Witnessed COA Perfect for display in any home, office, or fan cave

About This Item Hand-signed by Washington Nationals pitcher Josiah Gray Includes JSA (James Spence Authentication) certificate of authenticity Custom collectible jersey, size XL Features official team colors and styling

About This Item Hand-signed by Sacramento Kings star Jason Williams Authenticated by JSA (James Spence Authentication) with a Witnessed COA Custom Sacramento Kings style jersey with stitched lettering and numbers Size: XL