James Cook Autographed Signed Buffalo Bills Mini Helmet - Authenticated by BeckettJames Cook autographed mini helmet. This mini helmet was personally autographed by James Cook of the Buffalo Bills. Included is a serial numbered hologram and Certificate of Authenticity (COA) from Beckett Authentication Services (BAS). The item shown is a stock image from our actual on-hand inventory unless otherwise noted. This autographed mini helmet is the perfect addition to any fan's collection.Authenticated by Beckett Authentication ServicesIncludes Beckett serial numbered hologram and COAAuthenticity of item can be verified onlineIncludes the Riddell retail display box