Germany, Kriegsmarine. A Minesweeper War Badge, by Wilhelm Deumer visually-hidden the scabbard measuring 450 mm

the scabbard measuring 450 mm in length

(Сребрна медаља за ревносну службу) 1913 Medal for Zealous Service

Dresden - In silvered tombac

the reverse with a broad cast hinge and catch that are joined together via a vertical pinback

the obverse trimmed along both the top and bottom edges by machine-embroidered silver-grey tresses

Germany, Kriegsmarine. A Minesweeper War Badge, by Wilhelm Deumer visually-hidden the scabbard measuring 450 mm(Kriegsabzeichen fr Minensuch , U Boot Jagd und Sicherungsverbnde). 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, surrounding a central depiction of an exploding sea mine, the reverse with a barrel hinge and vertical pinback meeting a round wire catch, maker marked with LDO code L 11 for Wilhelm Deumer,