Notice the headsteady! (And I know PR's did not have Boyer Ignition!)
http://german-trick.smugmug.com/Motorcycles/1972-Norton-Production-Racer/263830_3gTqw/1/10407181_2cKMi#10407181_2cKMi
And of course the one Ron Fraturelli sold
http://nortoncommando.com/start.htm

