Dalvin Cook Autographed Minnesota Vikings F/S Flash Speed Authentic Helmet-Beckett W Hologram *Black This is an Dalvin Cook of the Minnesota Vikings hand autographed Riddell Full Size Flash Authentic Speed Helmet. This item has a Beckett Witnessed Authentication, which comes with a numbered sticker hologram and a QR code for verification. You can view this item on the Beckett 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, brand new, and in great shape.