South Vietnam, Postage Due Stamps 1974, October 1st, 1974, Michel Nr. SVN P21-24; The rapid change in postage rates also precipitated the need to overprint the 1968 postage…
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South Vietnam, Postage Due Stamps 1974, October 1st, 1974, Michel Nr. SVN P21-24; The rapid change in postage rates also precipitated the need to overprint the 1968 postage…