Unified Vietnam, 60. Anniversary of the October Revolution, November 7th, 1977, Michel Nr. 939-942; Four stamps with nominals of 12 xu (two stamps), 50 xu and 1 Dong were…
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Unified Vietnam, 60. Anniversary of the October Revolution, November 7th, 1977, Michel Nr. 939-942; Four stamps with nominals of 12 xu (two stamps), 50 xu and 1 Dong were…