Unified Vietnam, International Stamp Exhibition TAIPEI 96 “Environmental Protection”, October 10th, 1996, Michel Nr. 2813-2816; Four stamps in nominals of 400D, 2,000D, 4,000D and 10,000D were printed together…
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Unified Vietnam, International Stamp Exhibition TAIPEI 96 “Environmental Protection”, October 10th, 1996, Michel Nr. 2813-2816; Four stamps in nominals of 400D, 2,000D, 4,000D and 10,000D were printed together…