Ryan Tannehill Autographed/Signed Texas A&M Aggies 16x20 Photo BAS 29266 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a 16x20 Photo that was personally autographed by Ryan Tannehill. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.