Unified Vietnam, International Children Day, March 20th, 1978, Michel Nr. 960; A single stamp with a 12 xu nominal and in perforation 11.0 was issued. Here is a mint…
Unified Vietnam, International Children Day, March 20th, 1978, Michel Nr. 1103; A single stamp with a 12 xu nominal was issued in perforation 11.0. Here is a mint block…