(Kriegsabzeichen für die Marineartillerie). Constructed of gilded and patinated 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 coastal artillery gun with its barrel raised and extending beyond the edge of the wreath, the reverse with a crimped barrel hinge and vertical pinback meeting a round wire catch, maker marked with the logo of Friedrich Linden, Lüdenscheid, measuring 42.11 mm (w) x 55.22 mm (h), weighing 31.0 grams, with moderate loss of finish evident throughout, in very fine condition.