Sudan. (Upper Oubangui-Chari). 1918. Envelope written from 'Zemio, Hout-Oubangui' addressed to France bearing Sudan SG 18, 1m brown and carmine (5) and SG 13, 5m carmine and black tied by Wau date stamp '12th Oct', routed via Meshra-El-Rek '17th Oct', Khartoum '5th Nov' with Shellal-Halfa/ TPO/ No 1' ambulant '10th Nov' and Cairo '12th Nov' with Paris arrival '6th Nov' on reverse. Very scarce item of mail from Upper Oubangui Chari and routed north over the Sudan river border via Egypt to France. A quicker routing.