Kriegsmarine U-boat Badge Stick Pin

Up for sale is a Kriegsmarine U-Boat Badge stick pin. The U-Boat badge was awarded to U-Boat crewmen for either the completion of two or more war patrols or being wounded or killed while on patrol. The stick pin is a smaller version of the badge that could be worn while in civilian clothing. The authenticity of this one can not fully be determined, but it is believed to be a real badge with a replacement pin.