Unified Vietnam, Locomotives, December 30th, 1988, Michel Nr. 1966-1973, Block 65; Seven stamps in nominals of 20D (four stamps), 30D (two stamps) and 50D were issued in perforation…
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Unified Vietnam, Locomotives, December 30th, 1988, Michel Nr. 1966-1973, Block 65; Seven stamps in nominals of 20D (four stamps), 30D (two stamps) and 50D were issued in perforation…