Germany, Kriegsmarine. A U-Boat War Badge, Unknown Maker Variant visually-hidden illustrating the RAD upward-facing shovel

illustrating the RAD upward-facing shovel insignia surrounded by a wreath of wheat sheaves

Deumer - Badge in zinc with lightning bolts

the obverse centre presents the royal cipher of Christian V

Containing 176 off-round to potato shaped freshwater pearls

late 19th Century

Germany, Kriegsmarine. A U-Boat War Badge, Unknown Maker Variant visually-hidden illustrating the RAD upward-facing shovel(U Boot Kriegsabzeichen). Constructed of gilded zink, the obverse consisting of an oval laurel leaf wreath, joined together at the bottom by ribbon, topped by a Kriegsmarine eagle clutching a mobile swastika, overlaid by a central U Boat situated over a hollow void, the reverse with a block hinge and banjo style pinback meeting a round wire catch emanating from a circular plate, unmarked but demonstrating the characteristics of a documented variant