North Vietnam, For the War Invalids 1971, April 30th, 1971, Michel Nr. M18; A single stamp with no nominal and in perforation 11.0 was released for the benefit…
Unified Vietnam, 20. Anniversary of the Cuban Victory of 1961, August 15th, 1982, Michel Nr. 1254; On April 17th, 1961 the American invasion of Cuba failed in the Bay…