North Vietnam, Butterflies, November 18th, 1965, Michel Nr. 405-410; Six stamps in the nominals of 12 xu (four stamps), 20 xu and 30 xu were issued perforated 11.0…
North Vietnam, Butterflies, January 6th, 1976, Michel Nr. 833-840; Eight stamps in the nominals of 12 xu (two stamps), 20 xu, 30 xu, 40 xu, 50 xu, 60…
Unified Vietnam, Butterflies, July 30th, 1983, Michel Nr. 1353-1360; Eight stamps with nominals of 30xu (two stamps), 40xu (two stamps), 50xu (two stamps), 60xu and 1 Dong were…
Unified Vietnam, Butterflies, June 30th, 1987, Michel Nr. 1802-1808; Seven stamps with nominals of 1D (two stamps) 2D, 3D (two stamps) nd 5D (two stamps) were issued in…