An Oklahoma State Cowboys Riddell Replica Full Size NCAA Helmet hand signed by Barry Sanders. The item and signature are in excellent condition. Barry is a 10x Pro Bowler, 10x All-Pro 4x Rushing Champion, and NFL MVP. This item is a must have for any Oklahoma State fan! AUTHENTICATION: The item is accompanied by a Certificate of Authenticity - Serial Numbered and Databased Hologram - Schwartz Serial Numbered Hologram - Picture of Barry from the Signing.