Dave Robinson Autographed Green Bay Packers 61-79 Speed Mini Helmet W/ HOF-Prova Auth *Black This is a Hand Autograph of Dave Robinson of the Green Bay Packers on a Riddell Football 1961-1979 Throwback Speed Mini Helmet. Inscribed HOF. This item has Prova Authentication, which includes Prova #ed Sticker hologram. You can go on 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 and brand new in great shape.