North Vietnam, Birds, July 15th, 1973, Michel Nr. 735-740; Six stamps in the nominals of 12 xu (two stamps), 20 xu, 40 xu, 50 xu and 1 Dong…
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North Vietnam, Birds, July 15th, 1973, Michel Nr. 735-740; Six stamps in the nominals of 12 xu (two stamps), 20 xu, 40 xu, 50 xu and 1 Dong…