Mike Vrabel; former All-American linebacker for the Buckeyes; has hand signed this Ohio State Riddell Speed mini helmet at a private signing. This item is authenticated by JSA - James Spence Authentication and was signed in the presence of one of their representatives. Their tamper-evident sticker featuring a QR code and serial number is on the item. The authenticity can be verified online by entering the serial number or scanning the QR code.Item pictured may not be the exact item you will receive. It will be similar quality; and we guarantee your satisfaction.