Unified Vietnam, Locomotives, February 20th, 1983, Michel Nr. 1291-1297; Seven commemorative stamps with nominals of 30xu, 50xu, 1D, 2D, §D, 5D and 8D were issued in perforation K13…
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…