Valentino Rossi Marco Simoncelli Duel Signed Simoncelli Tribute Helmet. You are buying a Valentino Rossi AGV GP-Tech Custom Painted Marco Simoncelli tribute helmet,  the helmet was professionally painted in 2017 and signed in person by Vale at Silverstone on Friday 24th August 2018 during practice, the visor was signed in person by Marco at Catalunya Friday June 3rd 2011, 4 months before he tragically died during the Sepang race on the 23rd of October, the photos outside were taken just after it came back from the painter that is why it only has the visor signed by Marco,  the helmet was not signed by Vale until later. There is no C.O.A. as both signatures were obtained in person. Guaranteed to pass any reputable 3rd party authentication.