I think this is a coastal artillery tunic.
but what branch are the collars?
thanks in advantage.
erik

Shoulder boards.

I don't believe that coastal artillery really had a branch. In fact, the Kriegsmarine didn't have the traditional waffenfarben like the army... you won't find armorers with red piping, etc.

Bill

Please be so kind and show us the entire tunic . Thanks , Bernd .

Hello Bernd.
More pics over the weekend.
erik