This officially licensed Trick Treat Studios 1978 Halloween Prop Replica Butcher Knife (17.5" in length) has been personally hand-signed in paint pen by the original Michael Myers, Nick Castle who also added 'The Shape' during his autograph signing with Celebrity Authentics. This is an amazing replica of the butcher knife used in John Carpenter's Halloween, the film that made Michael Myers a household name to horror fans everywhere and one of the most famous movie serial killers of all time. This incredibly realistic knife is injection molded with an electroplated mirror finish and comes in a beautiful collector's box. Get yourself the official Halloween Michael Myers Butcher Knife Prop signed by The Shape himself and celebrate the night he came home! Ships affixed with the Celebrity Authentics serial-numbered and tamper evident Authentication Hologram and includes Celebrity Authentics Certificate of Authenticity featuring picture of Nick signing the knife.