(U-Boot Kriegsabzeichen). Re-Issued on 3.10.1939 by Karl Dönitz. (Issued 1939-1945). Constructed of gilt tombac in the shape of a horizontally oriented oval laurel wreath, with a national eagle placed on-top of the badge clutching a mobile swastika, and with a submarine superimposed in the center of the badge, the reverse plain, with a vertical slender banjo style pinback, a barrel hinge, and a round wire catch, marked “Schwerin, Berlin 52” on the reverse, measuring 48.31 mm (w) x 39.01 mm (h), weighing 24.5 grams, in virtually mint condition.