Unified Vietnam, 500 kV Power Line, May 1st, 1993, Michel Nr. 2527-2528; Two stamps with nominals of 300D and 400D were issued in perforation 13 and imperforate. Here…
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Unified Vietnam, 500 kV Power Line, May 1st, 1993, Michel Nr. 2527-2528; Two stamps with nominals of 300D and 400D were issued in perforation 13 and imperforate. Here…