Unified Vietnam, Stamp Exhibition Philaserdica, May 27th, 1979, Michel Nr. 1038-1039; Two stamps with nominals of 12 xu and 30 xu were issued in perforation 11.75. Here are mint…
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Unified Vietnam, Stamp Exhibition Philaserdica, May 27th, 1979, Michel Nr. 1038-1039; Two stamps with nominals of 12 xu and 30 xu were issued in perforation 11.75. Here are mint…