Ralph Sampson Autographed *Silver Houston Rockets 16x20 Lay Up Photo- JSA W Auth This is a Hand Autographed 16x20 Photo of Ralph Sampson of The Houston Rockets. This item has a James Spence Witness Authentication, which Comes with a JSA #'ed Sticker and a 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.