Featured is a Jim Kelly signed Buffalo Bills full size speed replica eclipse helmet, in which he added the "Machine Gun" inscription. This helmet was hand signed by Jim Kelly in the presence of a JSA authentication representative. Included with the helmet is a JSA witnessed hologram and certificate of authentication. This helmet would make a great addition to any sports memorabilia collection.. SPECIFICATIONS Autographed By: Jim Kelly Team: Buffalo Bills Sport: Football Authentication: James Spence Authentication (JSA)