(Flottenkriegsabzeichen). Constructed of gilded and silvered tombak, the obverse consisting of an oval oak leaf wreath, joined together at the bottom by ribbon, topped by a Kriegsmarine eagle clutching a mobile swastika, around a frontal depiction of a battleship cutting through waves, the reverse with a block hinge and banjo-style pinback meeting a flat wire catch, designer marked “ADOLF BOCK”, maker marked “SCHWERIN, BERLIN”, measuring 43.92 mm (w) x 56.96 mm (h), weighing 33.5 grams, with sporadic surface oxidation and loss of finish visible to the obverse, in better than very fine condition.