North Vietnam, Medicinal Plants, February 8th, 1975, Michel Nr. 795-802; Eight values were issued in the nominals of 12 xu (three stamps), 30 xu, 40 xu, 50 xu, 60…
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North Vietnam, Medicinal Plants, February 8th, 1975, Michel Nr. 795-802; Eight values were issued in the nominals of 12 xu (three stamps), 30 xu, 40 xu, 50 xu, 60…