http://www.soldat.com have the Marine Küstenpolizei insignia for sale, though the blue looks a little too bright to me:
Kriegsmarine Feldgendamerie
Moderator: Feldjager
Re: Kriegsmarine Feldgendamerie
Feldgendarmerie Trupp 82 - http://www.feldgendarmerie.co.uk
Panzer Nachrichten Abt. 38 - http://www.funker.co.uk
Hauptverbandplatz 82 - http://www.hvp82.co.uk
LHA members
Panzer Nachrichten Abt. 38 - http://www.funker.co.uk
Hauptverbandplatz 82 - http://www.hvp82.co.uk
LHA members
Re: Kriegsmarine Feldgendamerie
a little bright I agree - but a Ringkragen or two between 'friends' - keeps the armed forces 'in-check' lol