Cover with manuscript 'Air Mail' at bottom franked with 1933 3 x ½c deep green and 6c drab with 'Signature' overprints plus 1929 15c violet 'Momotombo' AIR issue (SG 777, 783 & 629) all tied by LEON cds's dated OCT 20 1933. Addressed to UK with large CORREO AEREO MANAGUA transit mark on front. Backflap missing.