Unified Vietnam, International Stamp Exhibition ESPANA 84 Madrid, April 27th, 1984, Michel Nr. 1443, Block 26; A souvenir-sheet with a 10D nominal was issued on occasion of the…
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Unified Vietnam, International Stamp Exhibition ESPANA 84 Madrid, April 27th, 1984, Michel Nr. 1443, Block 26; A souvenir-sheet with a 10D nominal was issued on occasion of the…