British Guiana. (Netherlands & French Guyana). 1849. Stamp-less envelope addressed to France written from Cayenne dated '6th Oct 49' endorsed 'Par Surinam' with Demerara transit 'Oct 10' on reverse with French accountancy 'Colonies/ & Art. 13' in carmine on face, London '26th Nov' and French entry cachet with Bordeaux arrival '1st Dec' and rated '15' in m/s tax on arrival. Very fine.