Sam Bradford, former Heisman Trophy winning quarterback for the Sooners, has hand signed this Oklahoma Riddell Speed full-size replica helmet at a private signing. He included the inscription "08 Heisman". This item comes with a serial-numbered hologram from Tristar, one of the leaders in the industry. The authenticity can be verified online by entering the serial number. A Tristar information card is also included.Item pictured may not be the exact item you will receive. It will be similar quality, and we guarantee your satisfaction.