Collection: Marketplace Grail Items

About This Item Hand-signed by Detroit Lions legend and Hall of Famer Calvin Johnson Signature featured in premium silver ink Custom pro-style jersey with professionally stitched name and numbers Authenticated by Beckett Witnessed with a numbered sticker hologram and QR code verification Jersey size: XL

About This Item Hand-signed by Las Vegas Raiders star defensive end Maxx Crosby Official Nike Game Jersey (Size L) Authenticated by Fanatics with a numbered hologram and QR code High-quality retail jersey in brand new condition

About This Item Hand-signed by Rams star wide receiver Puka Nacua Official Nike Game Jersey (Size: XL) Fanatics Authenticated with numbered sticker hologram and QR code White jersey with high-quality signature

Item Details Athlete: Von Miller Item Type: Pro Style Custom Jersey (Size XL) Color: White Inscription: "SB 50 MVP" Features: High-quality jersey with sewn-on names and numbers Authentication Beckett Authentication Services (BAS) Witnessed Protection Program Denver Autographs Certificate of Authenticity Signature was witnessed by a Beckett representative as part of their tamper-proof protection program

About This Item Hand-signed by Pittsburgh Steelers star linebacker T.J. Watt Riddell Full Size Speed Replica helmet 2025 Alternate edition design Beckett Witnessed Authentication includes a numbered hologram and QR code for verification

About This Item Hand-signed by quarterback Jacoby Brissett Authentic full-size Riddell Lunar alternate helmet Includes James Spence Authentication (JSA) Certificate of Authenticity Officially licensed Arizona Cardinals collectible

About This Item Hand-signed by USC legend OJ Simpson Inscribed with "Heisman 68" marking his 1968 Heisman Trophy win Riddell Full Size Speed Replica Helmet in Trojans yellow Authenticated by JSA Witness Protection, includes a numbered sticker and matching COA

About This Item Hand-signed by Cam Akers Riddell Full Size Speed Authentic Los Angeles Rams helmet 2020 edition styling in black Beckett Witnessed Authentication with hologram

About This Item Hand-signed by Dallas Cowboys star Micah Parsons Official Riddell Full Size Speed Replica Helmet Features a sleek black finish Authenticated by Fanatics with a numbered hologram and QR code for verification

About This Item Hand-signed by Super Bowl 50 MVP Von Miller Denver Broncos Riddell full size Speed replica helmet Features a sleek flat black matte finish Includes James Spence Authentication (JSA) Witnessed COA and hologram

About This Item Hand-signed by Pittsburgh Steelers legends Jack Ham, Jack Lambert, and Andy Russell Includes Hall of Fame year inscriptions for both Ham (HOF 88) and Lambert (HOF 90) Riddell Full Size Replica throwback helmet (1963-1976 style) Authenticated by JSA with a Witnessed COA and matching serial-numbered sticker Each player included their respective Pro Bowl counts as additional inscriptions...

About This Item Hand-signed by Dallas Cowboys star linebacker Micah Parsons Official Riddell Full Size Speed Replica Helmet Special Salute to Service edition Authenticated by Fanatics with a numbered hologram and QR code for verification

About This Item Hand-signed by Chase Young Riddell Full Size Flash Speed Replica Helmet Authenticated by Fanatics with a numbered hologram and QR code Officially licensed Washington Football Team collectible

About This Item Hand-signed by Pittsburgh Steelers star linebacker T.J. Watt Full size Riddell Speed Replica helmet featuring a white variant design Includes Beckett Witnessed certificate of authenticity with a numbered hologram

About This Item Hand-signed by former Notre Dame star quarterback Ian Book Includes the iconic "Play Like a Champion Today" inscription Full size Schutt Authentic helmet, identical to those worn on the field Authenticated by Beckett Witnessed with a certificate of authenticity and matching serial-numbered hologram

About This Item Hand-signed by Pittsburgh Steelers legend Lynn Swann Inscribed with "HOF" Riddell Full Size Replica 1963-76 throwback style helmet Features a silver ink signature Authenticated by Beckett Witnessed Authentication with hologram and QR code