Bruce Matthews Autographed Houston Oilers 60-62 Speed Mini Helmet w/HOF - Prova *Black This is a Bruce Matthews of The Houston Oilers hand autographed Riddell Football 60-62 Speed Mini Helmet. Inscribed HOF. This item has a Prova Authentication, which comes with a Prova numbered sticker hologram for verification. You can view this item on the Prova 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, brand new, and in great shape.