Amari Cooper Autographed/Signed College Style Red XL Jersey Beckett 36503 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 custom college style red XL jersey with sewn on name and numbers that was personally autographed by Amari Cooper. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.