North Vietnam, Shoot-Down of the 3,500th U.S.Aircraft over North Vietnam, June 20th, 1972, Michel Nr. 697-698; Two stamps, both in 12 xu nominals were issued in perforation 11.0. Here…
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North Vietnam, Shoot-Down of the 3,500th U.S.Aircraft over North Vietnam, June 20th, 1972, Michel Nr. 697-698; Two stamps, both in 12 xu nominals were issued in perforation 11.0. Here…