Colombia. (British Post Offices). 1856. Stamp-less envelope written from Bogota addressed to London cancelled by oval Bogota/ Franca in blue, charged with hand-struck '15' in blue on face, endorsed 'via Cartagene/per Vaper Ingles' with British Post Office Carthagene on reverse 'Oct 25/ 1856' and London receiver '15th Nov' and rated '2s' in m/s on arrival. A very attractive item from the British Post Office.