(Kriegsabzeichen für Minensuch-, U-Boot-Jagd- und Sicherungsverbände). 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 stylized depiction of a sea mine exploding, the reverse with a barrel hinge and banjo-style pinback meeting a flat wire catch, maker marked with the logo of F.W. Assmann & Söhne, Lüdenscheid, measuring 44.04 mm (w) x 53.90 mm (h), weighing 29.5 grams, with loss of silver finish evident to the applicable areas of the obverse, in overall near extremely fine condition.