Michael Irvin Autographed/Signed College Style Green XL Jersey Beckett 40169 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 Green XL jersey with sewn on name and numbers that was personally autographed by Michael Irvin. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.