North Vietnam, Luna 17, October 15th, 1971, Michel Nr. 672-674; Three stamps in the nominals of 12 xu (two stamps) and 1 Dong were issued perforated 11.0 and…
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North Vietnam, Luna 17, October 15th, 1971, Michel Nr. 672-674; Three stamps in the nominals of 12 xu (two stamps) and 1 Dong were issued perforated 11.0 and…