Thailand. 1944. Registered Rama V11 15s blue postal stationery envelope upgrade with SG 254, 5s violet and SG 312, 10s carmine tied by Bangkok date stamp with adjacent Bangkok / 8 registered label addressed to Dalat, Annam, French Indo-China with circular '6' censor cachet in violet routed via Saigon with Dalat receiver on reverse. Superb.