This autographed full size Schutt helmet has been personally hand-signed by Earl Campbell of the Houston Oilers. The outer shell is normal size for a full size helmet. Campbell added the inscription "HOF 91" along with his signature.This autograph is certified by James Spence Authentication's (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered hologram and matching Certificate of Authenticity.