Michael Irvin Signed Dallas Cowboys Authentic Eclipse Helmet 3x SB BAS 28113 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Dallas Cowboys full size authentic/proline Eclipse helmet that was personally autographed by Michael Irvin with Super Bowl XXVII XXVIII XXX Champs inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.