North Vietnam, Harmful Insects, July 24th, 1965, Michel Nr. 379-384; Six values were issued in the nominals of 12 xu (four stamps), 20 xu and 30 xu. The…
North Vietnam, Ocean Crabs, August 19th, 1965, Michel Nr. 387-392; Six stamps with the nominals of 12 xu (four stamps), 20 xu and 50 xu were issued in…