Sergio Aguero Autographed/Signed Barcelona F.C. Jersey Beckett 43474 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 the exact item you will receive, please see photos for condition. This is a Barcelona F.C Jersey that was personally autographed by Sergio Aguero. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.