Thailand. (Burma Thai Railway). 1943. Netherlands Indies 'Dai Nippon' 3 1/2c grey postal stationery reply card cancelled by Malang date stamp '30th Dec 43' addressed to Thailand endorsed 'No 4 gr', indicating T. Proper was in Camp 4 at Nakon Paton with blue hand-stamp 'Thailand Prisoner of War Camp Censored' and endorsed 'Ontvangen 17-2-44' (received' on face. Very interesting item.