(Kriegsabzeichen für die Marineartillerie). Constructed of gilded and silvered zink, the obverse consisting of an oval oak leaf wreath, joined together at the bottom by ribbon, topped by a Heer-style German national eagle clutching a mobile swastika, around a central depiction of a coastal artillery gun with its barrel raised and extending beyond the edge of the wreath, the reverse with a block hinge and banjo-style pinback meeting a flat wire catch, maker marked “SCHWERIN, BERLIN”, measuring 41.96 mm (w) x 54.56 mm (h), weighing 24.8 grams,demonstrating loss of finish throughout, in very fine condition.