Cover with 'CORREO AEREO AIR MAIL' handstamp at top franked with 1935 30c blackish brown, 1935 5c carmine red and pair 10c orange yellow (SG 852, 866 & 868) tied by CORREO AEREO EL SALVADOR 'Airplane' cancel with SAN SALVADOR cds dated 14 NOV 1936 and boxed registration marking alongside. Addressed to HONDURAS with large money declaration cachet and TEGUCIGALPA transit cds on reverse.