Featured is a Christian Okoye signed Kansas City Chiefs mini matte black speed replica helmet. This helmet was hand signed by Christian Okoye 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: Christian Okoye Team: Kansas City Chiefs Sport: Football-NFL Authentication: James Spence Authentication (JSA)