Bob Lilly Signed Dallas Cowboys TB '64-'66 Mini Helmet w/HOF BAS 40175 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 Dallas Cowboys TB '64-'66 Mini Helmet that was personally autographed by Bob Lilly. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.