Valentino Rossi (ITA) signed 2009 AGV-K2 Five Continents official Moto GP helmet, signed on visor in silver marker pen, helmet is the same design as worn by Rossi when crowned 2009-2012 Moto GP World Champion, with COA incorporating photo proof of signing (2) The legendary Rossi, known as "The Doctor" is due to retire from racing at the end of the 2021 season after a career spanning more than a quarter of a century. He has been Moto GP World Champion on nine occasions and is the only rider in history to have won titles in four different categories (125cc, 250 cc, 500cc and Moto GP).