Dak Prescott Signed Cowboys Running From Tunnel 16x20 HM Photo- Beckett W *Blue This is a Dak Prescott of the Dallas Cowboys hand autographed 16x20 HM photo. This item has a Beckett Witnessed Authentication, which comes with a numbered sticker and a matching 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, brand new, and in great shape.