This autographed mask has been personally hand-signed by actor, Ari Lehman from Friday the 13th. Lehman added the inscription “Jersey Slasher! – Jason 1” 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.