Stefon Diggs Autographed Buffalo Bills F/S Lunar SpeedFlex Authentic Helmet-Beckett W Hologram *Black This is a hand autograph of Stefon Diggs of the Buffalo Bills on a Riddell Football Full Size Lunar SpeedFlex Authentic Helmet. This item has a Beckett Witnessed Authentication, which comes with a numbered sticker hologram and a generic Beckett Certificate of Authenticity. You can view this item on the Beckett Authentication 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.