Germany, Kriegsmarine. A Minesweeper War Badge, by B.H. Mayer Hold The document states that in

The document states that in the name of the Higher Commander of the Flying Technical Schools

(iv) "37" Button: in white metal

measures 150mm (w) x 125mm (l) x 22mm (d)

one which the enemy had planted a battery to enfilade our lines

in uniform and with the Pour le Mérite and other decorations visible

Germany, Kriegsmarine. A Minesweeper War Badge, by B.H. Mayer Hold The document states that in(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, around a central depiction of a sea mine exploding, the reverse with a block hinge and short banjo style pinback meeting a flat wire catch, maker marked with LDO L 18 for B. H. Mayer, Pforzheim,