Natrone Means Autographed San Diego Chargers Lunar Speed Mini Helmet-Prova *Blue This is a hand autographed Mini Helmet of Natrone Means of the San Diego Chargers. This is a Riddell Football Lunar Speed Mini Helmet. This item has a Prova Authentication, which comes with a Prova numbered sticker. 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 and brand new in great shape.