Unified Vietnam, Stamp Exhibition TEMBAL 83 Basel, May 21st, 1983, Michel Nr Block 19; A single souvenir sheet with a 10D nominal value was issued in perforation 13…
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Unified Vietnam, Stamp Exhibition TEMBAL 83 Basel, May 21st, 1983, Michel Nr Block 19; A single souvenir sheet with a 10D nominal value was issued in perforation 13…