JJ Watt Autographed Arizona Cardinals Authentic Speed Flex Helmet JSA 35064 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a Arizona Cardinals full size authentic speed flex helmet that was personally autographed by JJ Watt. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.