For your consideration is the fantastic Devo Autographed Prop Energy Dome Helmet that is Hand Signed by the Legendary Co-Founder Gerald Casale for his only. private signing. Gerald added "U Must Whip It" as the inscription. Gerald Signed the Dome "Jerry of Devo" as the Autograph and band name. To say this is cool is an understatement. Comes Certified by JSA Authentication Services. This is the perfect display piece. Nice heavy duty thicker plastic.