Airmail cover franked with 1949 1c blue, 2c carmine & 21c black (SG 472/473 & 477) tied by 'Lines' cancels with fine ADMON DE CORREOS DOLCE NOMBRE COPAN cds alongside. Addressed to USA with SANTA ROSA COPAN transit cds and 'VIA AEREA STA ROSA DE COPAN' illustrated airplane cachet both in blue on front. Transit cds's also on reverse.