Germany, Empire. An Imperial Submarine (U-Boat) Badge
(U-Boot Kriegsabzeichen). Introduced 1 February 1918. Constructed of gilded bronze, consisting of an oval laurel wreath, an Imperial crown at the top of the badge, with a submarine superimposed in the centre of the badge, a horizontal pinback, with a barrel hinge and round wire catch, unmarked, weighing 28.1 g, measuring 49 mm (w) x 49 mm (h), in very fine condition.

