Unified Vietnam, World Exposition EXPO 92 Sevilla, January 15th, 1992, Michel Nr. 2385-2391; The Vietnamese postal authorities continued their efforts to recycle old stamp issues that had become…
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Unified Vietnam, World Exposition EXPO 92 Sevilla, January 15th, 1992, Michel Nr. 2385-2391; The Vietnamese postal authorities continued their efforts to recycle old stamp issues that had become…