Registered cover franked with 1938 50c greenish blue on front and 1940 5c on 10c scarlet on reverse (SG 645 & 669) tied by fine strikes of undated RECEPTORIA DE NAZCA ICA cancels in black with printed registration label on front tied by oval CORREOS Y TELEGRAFOS NAZCA ICA cancel in putple dated AGO 11 1941. Addressed to CUBA with transit & arrival marks on reverse. A scarcer oigination.