how to collect my prize

sir i have received a message dated 26-9-2012 . that your number has  won 850000 pounds in 2012 coca cola london olympic mobile draw  . to claim your prize contact Mr. Michael through his email : ccodraws@live.co.uk.                                                                                                                                so sir i want to know how i collect my prize if is it true please confirm on my cell number .                             0333811253