Collection: Marketplace Grail Items

About This Item Hand-signed by legendary tight end Jason Witten Official Las Vegas Raiders Riddell mini helmet Authentic matte black finish Beckett Witnessed Authentication includes a certificate of authenticity and matching hologram

About This Item Hand-signed by New England Patriots running back Sony Michel Authentic Riddell Lunar edition mini helmet Authenticated by Beckett Witnessed (BAS) Includes a Beckett certificate of authenticity and matching tamper-evident hologram

About This Item Hand-signed by Pittsburgh Steelers tight end Pat Freiermuth Riddell Speed mini helmet featuring a yellow color variant Authenticated by Beckett Witnessed with a numbered hologram and QR code

About This Item Hand-signed by Pittsburgh Steelers tight end Pat Freiermuth Riddell Flash Speed mini helmet edition Includes Beckett Witnessed Authentication hologram and QR code

About This Item Hand-signed by former Steelers wide receiver Chase Claypool Features the unique "Mapletron" inscription Beckett Witnessed Authentication with matching COA sticker Riddell mini helmet with silver accents or finish Authenticated at a public or private signing event

About This Item Hand-signed by New England Patriots running back Sony Michel Inscribed with "SB Champs" Authenticated by Beckett Witnessed (BAS) Features a matte black New England Patriots shell Official Riddell mini helmet

About This Item Hand-signed by Buffalo Bills legend Doug Flutie Authentic Riddell Speed mini helmet Includes Beckett Witnessed authentication with numbered hologram and QR code Features black alternate color style

About This Item Hand-signed by Darius Slay Official Riddell Flash Speed Mini Helmet edition Includes JSA Witness Protection Certificate of Authenticity and matching sticker

About This Item Hand-signed by Tennessee Titans legend Jevon Kearse Official Riddell Eclipse Speed Mini Helmet Authenticated by James Spence Authentication (JSA) with Witnessed Protection Features the sleek matte black Eclipse edition finish

About This Item Hand-signed by New York Giants wide receiver Sterling Shepard Official Riddell New York Giants Speed mini helmet in the sleek white Lunar edition finish Authenticated by Beckett Witnessed Protection (BAS) Includes a numbered tamper-proof hologram and matching Certificate of Authenticity

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 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 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 Georgia Bulldogs star AJ Green Riddell Speed Mini Helmet style Beckett Witnessed Authentication with numbered hologram and QR code Official collegiate licensed merchandise

About This Item Hand-signed by Los Angeles Rams legend Eric Dickerson Authenticated by Beckett Witnessed Authentication Classic Los Angeles Rams 2017 throwback edition mini helmet High-quality Riddell mini helmet

About This Item Hand-signed by Buffalo Bills standout Cole Beasley Riddell Flash Alternate Speed mini helmet Authenticated by Beckett Witnessed with a numbered hologram and QR code Stock image shown; signature placement and ink color may vary slightly