|Looks like a c1922 Model 16H Norton|
-JdK- Roland Grossbichler of the NOC Austria sent the following text, pics and link to a Youtube film. Roland: "I think I have a very interesting silent movie (produced 1923/24) for you. The name of the movie is "The Mile Eater“. The story is about a bet between the sportsman Ernest and his colleagues. Ernest, a sort of a modern Phileas Fogg on a Norton, has to do 6000 kilometers through five countries within 15 days – or some 80 minutes of screen time. The subtitels are in English and in Italian. You can obtain a copy of the DVD for 25€ at http://www.seeberfilm.com/"