U-Boat War Badge 1939 (U-Boot Kriegsabzeichen), die struck bronze alloy, 47 x 38 mm, 16 g, excellent condition. The U-Boat War Badge was instituted by Großadmiral Erich Raeder on October 13th 1939 for award to all ranks of U-Boat personnel who had served on at least two sorties against the enemy or were wounded in action.