Mike Tyson Autographed/Signed Boxing The Hangover 16x20 Photo BAS 29554 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 from the movie The Hangover that was personally autographed by Mike Tyson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.