My thanks go to Gregory Swift for these photos of an "unknown" 3-wheeler. Gregory writes: ... Do you have any idea what kind of three wheeler that was featured in the movie "roman holiday" Maybe a moto guzzi? Attached is a couple of pictures of a car I spotted locally . The drive train is a water
cooled Honda v twin . there is a handle in the cockpit that is a combo shifter and hand clutch. | 
