Unified Vietnam, Orchids, July 1977, Michel Nr. A917-918; Two stamps with nominals of 6 xu and 12 xu were issued in perforation 11.0. These stamps look very similar…
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Unified Vietnam, Orchids, July 1977, Michel Nr. A917-918; Two stamps with nominals of 6 xu and 12 xu were issued in perforation 11.0. These stamps look very similar…