Roy Williams Autographed/Signed 16x20 Photo Beckett 40016 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 16x20 photo that was personally autographed by Roy Williams. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.