Instituted on 13th October 1939.
Designed by Paul Casberg of Berlin.
Completion of three cruises
To have taken part in one particularly successful cruise
Being awarded a bravery decoration or being wounded on one of these missions, even if it was a first cruise.
FO (with horizontal or vertical pin)
My example was made by "RK". Sadly the pin is a replacement.
Here is a useful link: