Circa 1962. Airmail cover franked with 1960 35c & 1962 5c postage issues (SG 1378 & 1451) plus 1959 15c on 3c dull blue with 'Semana de Communicaciones' overprint in red and 1962 5c on 3c dull blue with 'Semana de Communicaciones' overprint and large green 'C' overprint all tied by MANAGUA cds's. Addressed to USA.