Cover with manuscript 'Correo Aereo' at top franked with 1930 15c greenish blue, pair 20c orange yellow and 50c brown purple 'Portrait' issue (SG 486/487 & 489) tied by LIMA 3 cds's dated 26 MAR 1931. Addressed to UK with oval 'CORREOS DEL PERU EXPENDIO LIMA SERVICIO AEREO' marking on reverse.