This Riddell full-size authentic proline helmet was hand signed by Super Bowl XXXI MVP Desmond Howard. This helmet was hand-signed by April 10th 2011 in Somerset New Jersey at a private signing had with Desmond. The helmet was signed in black sharpie and the helmet and autograph are in mint condition. Desmond added the inscription SB XXXI MVP to his signature. This helmet is accompanied with a certificate of authenticity and matching tamper proof holograms on the football and certificate. The helmet also comes with a 4x6 photo of Desmond signing our helmets to insure authenticity.