JJ Watt Autographed/Signed Arizona Cardinals Authentic Speed Helmet JSA 35067 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 helmet that was personally autographed by JJ Watt. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.