Irvin, Smith, Aikman Signed Dallas Cowboys F/S AMP Speed Authentic Helmet- Beckett Auth These are the hand autographs of Michael Irvin, Emmitt Smith, and Troy Aikman of the Dallas Cowboys on a Riddell Football Full Size AMP Speed Authentic Helmet. This item has a Beckett Authentication, which each comes with a Beckett numbered sticker and a matching Certificate of Authenticity. You can view this item on the Beckett Authentication website, 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.