Unified Vietnam, Intercosmo-program Joint Space Flight Soviet Union and Vietnam, July 24-31st of 1980, Michel Nr. 1104-1110. Six stamps and one souvenir sheet in the nominals of 12 xu…
Unified Vietnam, Fish, August 1st, 1980, Michel Nr. 1111-1118; Eight stamps with the nominals of 12 xu (two stamps), 20 xu, 30 xu, 40 xu, 50 xu 60…
Unified Vietnam, Flowers, August 25th, 1980, Michel Nr. 1125A-1127; Three stamps all with a 12 xu nominal were issued. The standard perforation that was applied in the printing…
Unified Vietnam, 600.Birthday of Nguyen Trai, October 6th, 1980, Michel Nr. 1132-1134; Three stamps with nominals of 12 xu, 50 xu and 1 Dong were issued in perforation 11.0.…
Unified Vietnam, Flowers, November 20th, 1980, Michel Nr. 1137-1144; Eight stamps with the nominals of 12 xu (two stamps), 20 xu, 30 xu, 40 xu, 50 xu, 60…
Unified Vietnam, Ornamental Fish, January 15th, 1981, Michel Nr. 1145-1152; Eight stamps with the nominals of 12 xu (two stamps), 20 xu, 30 xu, 40 xu, 50 xu, 60…
Unified Vietnam, Mammals, April 10th, 1981, Michel Nr. 1155-1162; Eight stamp in the nominals of 12 xu (two stamps, 20 xu, 30 xu, 40 xu, 50 xu, 60 xu…
Unified Vietnam, Pigeons, June 5th, 1981, Michel Nr. 1163-1170; Eight stamps in the nominals of 12 xu (two stamps), 20 xu, 30 xu, 40 xu, 50 xu 60 xu…
Unified Vietnam, Birds, August 5th, 1981, Michel Nr. 1171-1178; Eight stamps with nominals of 20 xu (two stamps) 30 xu, 40 xu, 50 xu (two stamps), 60 xu…
Unified Vietnam, Fruits, October 12th, 1981, Michel Nr. 1179-1186; Eight stamps with the nominals of 20 xu (two stamps), 30 xu, 40 xu, 50 xu (two stamps), 60…