Clay Matthews Autographed Green Bay Packers F/S Speed Helmet-JSA W *Black This is a Hand Autograph of Clay Matthews of the Green Bay Packers on a Full Size Riddell Speed Replica Helmet. This item has a James Spence Witness Authentication, which comes with a JSA #'ed Sticker and a Matching JSA Certificate of Authenticity. You can view this item on the SpenceLOA 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 and brand new in great shape.