North Vietnam, Shoot-Down of the 2,000th U.S.Aircraft over North Vietnam, June 5th, 1967, Michel Nr. 481-482; The Vietnamese Government found the need to tout it’s successes in the face…
North Vietnam, Shoot-Down of the 3,000th U.S.Aircraft over North Vietnam, June 25th, 1968; Postal Authorities kept busy with the successful defense scheme which counted the number of U.S. aircraft…
North Vietnam, Shoot-Down of the 4,000th U.S.Aircraft over North Vietnam, October 17th, 1972, Michel Nr. 707-708; Two stamps both with a 12 xu nominal were issued in perforation 11.0.…