AJ Green Autographed/Signed Arizona Cardinals Flash Mini Helmet Beckett 34879 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 flash mini helmet that was personally autographed by AJ Green. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.