This autographed Riddell Speed mini helmet has been personally hand-signed by Sterling Shepard of the New York Giants. 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. This autograph is 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.