Puch MV 50
This is a puch MS50L. The MV50 had full sized drumbrakes, the MS50L had halfsized drumbrakes. You can see this more easily in the picture posted by sixcyl. The V in MV50 stands for vollnaben, the german word for 'full wheel hub', specificly indicating the full sized drumbrakes used in that model. Also the MV50 wasn't introduced till 1962, 4 years after this movie.
