This is the Coat of Arms of the German city of Hamburg. Situated on the Elbe river Hamburg is one of the largest ports in Europe and was vital to U-boat construction and operations during WWII.

Emblem image: Wikipedia Commons.

Keywords: Coat of Arms, Castle

4 U-boats displayed this emblem
U-351, U-592, U-601 and U-1010.

Click on the boat's number to see if there were other emblems.