North Vietnam, Domestic Wild Animals, February 15th, 1973, Michel Nr. 719-722; Four stamps with nominals of 12 xu, 30 xu, 50 xu and 1 Dong were issued perforated 12.25…
North Vietnam, Domestic Wild Animals, May 25th, 1973, Michel Nr. 731-734; Four stamps with the nominals of 12 xu, 30 xu, 50 xu and 1 Dong were issued perforated…