North Vietnam, Reptiles, February 25th, 1966, Michel Nr. 432-437; Six stamps with the nominals of 12 xu (four stamps), 20 xu and 40 xu were issued perforated 12.5…
North Vietnam, Reptiles, November 25th, 1975, Michel Nr. 825-832; Eight stamps with the nominals of 12 xu (two stamps), 20 xu, 30 xu, 40 xu, 50 xu, 60…
Unified Vietnam, Reptiles, April 3rd, 1983, Michel Nr. 1309-1316; Eight stamps in the nominals of 30xu (2 stamps), 50 xu , 80xu, 1D, 2D, 5D and 10D were…