Trevon Diggs Autographed Dallas Cowboys Salute to Service Speed Mini Helmet- Beckett W Hologram *Blue This is a Trevon Diggs of the Dallas Cowboys hand autographed Riddell Speed Salute to Service Mini Helmet. This item has a Beckett Witness Authentication, which comes with a numbered sticker hologram and QR code for verification. You can view this item on the Beckett website. 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.