Unified Vietnam, Day of the Stamp, August 15th, 1993, Michel Nr. 2555-2556; Two stamps in nominals of 400D and 5,000D were issued in perforation 13 and imperforate. Here…
Unified Vietnam, Day of the Stamp, August 15th, 1996, Michel Nr. 2802; A single stamp in a 400D nominal was issued in perforation 13:13.25 The stamp depicts a…
Unified Vietnam, Day of the Stamp, 40 Years Vietnamese Philatelic Society , October 6th, 2000, Michel Nr. 3100; A single stamp with a 400D nominal was issued in…