A WWII Nazi German Third Reich Naval Artillery Kriegsmarine badge. The badge is adorned with a relief image of a wreath of oak leaves, inside which is an image of a sea coastal gun, the barrel extends beyond the wreath, and above it is an imperial eagle clutching a swastika insignia.. Marked, RZM, on the backside. Second World War Historical Collectables And Memorabilia, Military Uniform Accessories, Insignia, Pins And Badges.