I have often wondered how it got from Salonika back to Germany.... Confiscated by the Germans?
I was told about a distant relative who was in the German Navy in WWII, captaining an E-Boat in the Aegean until British planes sank it from under him. The story goes that, after making it to shore, during the German collapse in the Balkans toward the end of the war he walked all the way from Greece back to his home in Austria, through partisan-infested Yugoslavia.
I could see a shotgun being very useful in that context. ...