World war 2 imperial japanese. Up for sale is a unique set of Imperial Japanese Army sake cups from the World War II era. These items commemorate the Manchurian Incident.A brass helmet cup with a diameter of 6cm. A wooden cup celebrating the triumphant return from Manchuria, measuring 10cm in diameter. A wooden tray to honor the Manchurian Independent Defense Team upon their discharge, measuring 24cm by 24cm. There is no noticeable damage to any of these items, ensuring they remain in good condition.