South Vietnam, Nuclear Energy for Peace, February 3rd, 1964, Michel Nr. SVN 308-311; Four stamps in nominals of 80c, 1.50D, 3D and 7D were issued in perforation 13.…
South Vietnam, World Day of Meteorology, March 23rd, 1963, Michel Nr. SVN 312-315; Four stamps in nominals of 50c, 1D, 1.50D and 10D were issued in perforation 13.…