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 National Style Yellow Jersey that was personally autographed by Roberto Carlos. The material of this item resembles a cotton t shirt, this custom jersey does not have the feel of a soccer jersey. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.