Tony Dorsett Autographed/Signed College Style Blue XL Jersey Heisman BAS 31117 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a custom college style blue XL jersey with sewn on name and numbers that was personally autographed by Tony Dorsett with Heisman inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.