Cover franked with fine four margin 1881 5c blue 'UPU' issue 'Die I' (SG 95) tied by fine DIRECCION GENERAL DE CORREOS BOGOTA cds in blue dated JUL 18 1881 with AGENCIA POSTAL NACIONAL BARRANQUILLA transit cds in purple dated JUL 28 1881 alongside. Addressed to AUSTRIA with arrival cds on reverse. A very fine cover showing very early use of this issue in the first month of release.