This autographed Riddell Rave Collection Speed mini helmet has been personally hand-signed by Jack Ham ("HOF 88" inscription) of the Pittsburgh Steelers. This autograph is certified by Beckett Authentication Services (BAS) Witness Certification. That means that a Beckett representative was present when this item was signed. It comes with the numbered authentication scannable hologram with a QR Code card that verifies the authentication on the Beckett website.