Unified Vietnam, Union Congress, August 28th, 1988, Michel Nr. 1935-1936; Two stamps in nominals of 50D and 100D were issued in perforation 13. Here is the mint set…
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Unified Vietnam, Union Congress, August 28th, 1988, Michel Nr. 1935-1936; Two stamps in nominals of 50D and 100D were issued in perforation 13. Here is the mint set…