Alvin Harper Autographed Dallas Cowboys Logo Football JSA Witness Authenticated This is a Hand Autographed Football of Alvin Harper of The Dallas Cowboys. This is a Dallas Cowboys Logo Football. This item has a James Spence Witness Protection Authentication, which Comes with a JSA #'ed Sticker and Matching JSA COA. You can view this item on the SpenceLOA 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 and brand new in great shape.