Dan Hampton Autographed Chicago Bears Speed Mini Helmet w/HOF - Prova *Silver This is a Dan Hampton of the Chicago Bears hand autographed Riddell Football Speed Mini Helmet w/ HOF. It has a Prova Authentication, which comes with Prova numbered sticker hologram. You can view this item on the Prova 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, brand new, and in great shape.