Randy Gradishar Autographed Denver Broncos 75-96 Mini Helmet- Prova *Silver This is a hand autographed Mini Helmet of Randy Gradishar of the Denver Broncos. This is a Riddell Football Mini Helmet. This item has a Prova Authentication, which comes with a 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 and brand new in great shape.