Stefon Diggs Autographed Buffalo Bills Lunar Speed F/S Helmet *Front-Beckett W Hologram *Red This is a Stefon Diggs of the Buffalo Bills hand autographed Riddell Football Lunar Speed replica helmet. This item has a Beckett Witnessed Authentication, which comes with a numbered sticker hologram and a generic Certificate of Authenticity. You can view this item on the Beckett 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.