North Vietnam, Important Plants for Textile Production, August 15th, 1974, Michel Nr. 771-773; Three stamps in the nominals of 12 xu (two stamps) and 30 xu were issued in…
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North Vietnam, Important Plants for Textile Production, August 15th, 1974, Michel Nr. 771-773; Three stamps in the nominals of 12 xu (two stamps) and 30 xu were issued in…