Germany, Kriegsmarine. A Minesweeper War Badge, by Wilhelm Deumer certificate_of_authenticity mostly from Villacoublay

mostly from Villacoublay

And you identified them

Silver half wreaths

measuring 112 mm (w) x 148 mm (h)

through the First World War and finishing with the Second World War

Germany, Kriegsmarine. A Minesweeper War Badge, by Wilhelm Deumer certificate_of_authenticity mostly from Villacoublay(Kriegsabzeichen fr Minensuch , U Boot Jagd und Sicherungsverbnde). Constructed of gilded and silvered zink, 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 block hinge and banjo style pinback meeting a flat wire catch, topped by a stabilizer, unmarked but demonstrating the