This autographed Riddell mini helmet has been personally hand-signed by Denard Robinson of the Michigan Wolverines. This autograph is certified by Players Ink. It comes with the numbered authentication scannable 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. Shop our ebay store / Friendly Confines Collectibles for thousands of different autographed jerseys