Collection: The Marketplace

About This Item Hand-signed by Hall of Fame quarterback Warren Moon Inscribed "HOF 06" by the athlete Official Riddell Eclipse alternate series mini helmet Authenticated by Beckett Witnessed (BAS)

About This Item Hand-signed by Elijah Moore Riddell Full Size Flash Speed Replica Helmet Official New York Jets Flash Edition variant Beckett Witnessed Authentication with numbered hologram

About This Item Hand-signed by Baltimore Ravens star Kyle Hamilton Official Riddell Speed Mini Helmet Authenticated by James Spence Authentication (JSA) with a Witnessed COA and matching hologram

About This Item Hand-signed by NBA star Kyle Kuzma White college-style custom basketball jersey Authenticated by Beckett Witnessed COA Features professionally stitched letters and numbers Size: XL

About This Item Hand-signed by San Francisco 49ers standout Garrison Hearst Riddell Eclipse Speed Mini Helmet featuring a matte black finish and monochromatic decals Signature rendered in gold paint pen for high contrast Authenticated with a Prova sticker, providing online verification of the signing event

About This Item Hand-signed by Minnesota Twins legend Chuck Knoblauch Inscribed with "91 ROY WS Champs" commemorating his Rookie of the Year award and World Series title Official Rawlings Major League Baseball Authenticated by Beckett Witnessed with a tamper-evident hologram and QR code

About This Item Hand-signed by Dallas Cowboys linebacker Jaylon Smith Inscribed with "America's Team" Authenticated by Beckett Witnessed Official Dallas Cowboys signature series logo football

About This Item Hand-signed by Carolina Panthers star Derrick Brown Official Carolina Panthers Signature Series logo football Authenticated by JSA with Witness Protection COA Features team logo and black matte finish

About This Item Hand-signed by linebacker Kwon Alexander Authenticated by JSA Witness Protection with matching Certificate of Authenticity and serial-numbered hologram Custom-made pro-style jersey featuring stitched letters and numbers White Color Rush edition Size: XL

About This Item Hand-signed by San Francisco 49ers star Garrison Hearst Riddell Flash Edition Speed Mini Helmet Features a premium high-gloss Flash finish Authenticated by Prova with a serial-numbered sticker

About This Item Hand-signed by NBA star Kyle Kuzma in silver ink Official Los Angeles Lakers logo black basketball Authenticated by Beckett Witnessed (BAS) Includes matching Certificate of Authenticity and serial-numbered hologram

About This Item Hand-signed by running back Cam Akers Custom blue and yellow pro-style jersey with stitched numbers and letters Includes Beckett Witnessed authentication hologram with QR code Size: XL

About This Item Hand-signed by Terry Allen Authenticated by JSA (Witnessed Protection) Custom maroon pro-style jersey with stitched letters and numbers No team logos or commercial brand tags

About This Item Hand-signed by Calvin Ridley Jacksonville Jaguars Riddell Lunar Speed edition mini helmet Authenticated by Beckett Witnessed with a numbered hologram and QR code Features a matte white finish with distinct teal team accents

About This Item Hand-signed by Johnny Manziel Features "'12 Heisman" inscription Maroon custom-style jersey with stitched name and numbers Authenticated by Beckett (Witnessed) with QR code hologram Size: XL

About This Item Hand-signed by New Orleans Saints legend Ricky Williams Custom black pro-style jersey with stitched name and numbers Authenticated by Beckett Witnessed with a numbered hologram and QR code verification Jersey size: XL