Roy Williams Autographed/Signed Oklahoma Sooners Mini Helmet Beckett 43059 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 an Oklahoma Sooners Mini Helmet that was personally autographed by Roy Williams. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.