This autographed Riddell Flat Black Speed mini helmet has been personally hand-signed by Gregory Rousseau of the Buffalo Bills. This autograph is certified by James Spence Authentication (JSA). It comes with the numbered hologram and matching Certificate of Authenticity.?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??