(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 central depiction of an exploding sea mine, the reverse with a block hinge and tapering banjo-style pinback meeting a flat wire catch, unmarked but demonstrating the characteristics of manufacture by C.E. Juncker, Berlin, measuring 44.04 mm (w) x 54.11 mm (h), weighing 23.9 grams, demonstrating extensive polishing and loss of finish throughout in addition to period repair to the case, in very fine condition.