OJ Simpson Autographed USC Trojans F/S Speed Authentic Helmet w/ Heisman - JSA W Auth *Yellow This is a hand autograph of OJ Simpson of the USC Trojans on a Riddell Football Full Size Speed Authentic Helmet and inscribed with Heisman 68. This item has a James Spence Witness Protection Authentication, which comes with a numbered sticker and a matching JSA Certificate of Authenticity. You can view this item on the SpenceLOA website and it shows when and where the item was signed. It was signed either at a public autograph appearance or a private signing. This is a stock photo of the item. Although you may not receive this exact item, the item you receive is virtually identical and brand new in great shape.