This autographed full size Riddell replica Flash Alternate speed helmet has been personally hand-signed by 9 members of the Dallas Cowboys including Ceedee Lamb, Deuce Vaughn, Trevon Diggs, Malik Hooker, Dorrance Armstrong, Jourdan Lewis, Juanyeh Thomas, Noah Igbinoghene & Markquese Bell. This autograph is certified by James Spence Authentication’s (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered hologram and matching Certificate of Authenticity. These autographs are also certified by Players Ink. It comes with the numbered authentication hologram with a QR code that verifies the authentication on the Players Ink website. Scan the QR code with your mobile phone to verify the authenticity.