Collection: Marketplace Grail Items

About This Item Hand-signed by Notre Dame legend and Heisman Trophy winner Tim Brown Official Riddell Full Size Speed Authentic helmet Authenticated by Fanatics with a numbered hologram and QR code Features a unique black variant finish

About This Item Hand-signed by Philadelphia Eagles star wide receiver A.J. Brown Inscribed "SB Champs" Official Riddell Speed Authentic full-size helmet Beckett Witnessed Authentication with QR code verification

About This Item Hand-signed by Pittsburgh Steelers star linebacker T.J. Watt Authenticated by Beckett Witnessed Authentication with a numbered hologram and QR code Official Riddell Full Size Speed Authentic helmet The same helmet used on the field by NFL players

About This Item Hand-signed by George Pickens Official Riddell Full Size Speed Authentic Helmet Dallas Cowboys team decals and colors Authenticated by JSA with a Witnessed COA hologram and QR code

About This Item Hand-signed by wide receiver Davante Adams Authentic New York Jets Riddell Speed full size helmet Features the 1998-2018 throwback style design Beckett Witnessed Authentication with QR code hologram

About This Item Hand-signed by New York Jets wide receiver Davante Adams Riddell Speed Authentic full-size helmet featuring the 1978-1989 throwback design Authenticated by Beckett Witnessed Authentication with a numbered hologram and QR code Professional-grade collectible, identical to those worn on the field

About This Item Hand-signed by New York Jets star Davante Adams Riddell Full Size Speed Authentic Helmet Beckett Witnessed Authentication with numbered hologram and QR code Official 2024 team edition equipment

About This Item Hand-signed by Miami Hurricanes legend and NFL Hall of Famer Michael Irvin Full-size authentic Miami Hurricanes helmet in a sleek black finish Authenticated by Beckett (BAS) Witnessed Protection Program Includes official COA/hologram from Beckett and Denver Autographs

About This Item Hand-signed by Dallas Cowboys star quarterback Dak Prescott Authentic full-size throwback helmet featuring the 1960-1963 design Beckett Witnessed Authentication ensures a representative was present for the signing Includes Beckett Authentication Services (BAS) hologram and Denver Autographs COA

About This Item Hand-signed by Dallas Cowboys star quarterback Dak Prescott Official full-size authentic helmet Beckett (BAS) Witnessed Protection Program authentication Includes a certificate of authenticity and hologram

About This Item Hand-signed by Dallas Cowboys quarterback Dak Prescott 2023 Alternate edition full-size authentic helmet Authenticated by Beckett Witnessed Protection Program Includes Denver Autographs certificate of authenticity

About This Item Hand-signed by Dallas Cowboys legend Michael Irvin Full-size authentic throwback helmet (1960-1963 style) Authenticated by Beckett (BAS) Witnessed Protection Program Includes Denver Autographs certificate of authenticity

About This Item Hand-signed by Hall of Fame wide receiver Michael Irvin Official Miami Hurricanes "Miami Knights" alternate edition authentic full-size helmet Authenticated by Beckett (BAS) Witnessed Protection Program High-quality authentic helmet, perfect for display

About This Item Hand-signed by Dallas Cowboys legend and Hall of Famer Michael Irvin Official Riddell Full Size Authentic 2022 Alternate Helmet Authenticated by Beckett (BAS) Witnessed Protection Program Signature was witnessed by a Beckett representative to ensure authenticity

Product Details Athlete: Dak Prescott Team: Dallas Cowboys Item Type: Full Size Authentic Helmet Signature: Hand-signed by the athlete. Features a high-quality, authentic signature. Condition: New, retail-grade condition. Authentication Authenticator: Beckett Authentication Services (BAS) Authentication Program: BAS Witnessed Protection Program (A Beckett representative was present at the time of signing). Verification: Includes a Beckett Certificate of Authenticity (COA) and a...

Product Details Athlete: Dak Prescott Team: Dallas Cowboys Item Type: Full Size Authentic Helmet (2023 Alternate "Arctic" Style) Signature: Hand-signed by Dak Prescott Condition: New, retail-grade helmet Authentication Beckett Authentication Services (BAS) Witnessed Protection Program COA Denver Autographs Certificate of Authenticity Authentication includes a tamper-evident hologram to ensure the validity of the signature BAS Witnessed indicates a representative was present...