Unified Vietnam, 100. Birthday of Albert Einstein, March 14th, 1979, Michel Nr. 1018-1019; Two stamps one with a 12 xu and one with a 60 xu nominal were issued…
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Unified Vietnam, 100. Birthday of Albert Einstein, March 14th, 1979, Michel Nr. 1018-1019; Two stamps one with a 12 xu and one with a 60 xu nominal were issued…