French Colonies. (Algeria). 1918. Stamp-less envelope endorsed 'France de Port' written from 'Georges Hofmann, 28777, Corporal au 2nd Regiment Etranger, 26th Compagnie, Saida, Algeria' addressed to 'Comite International de la Croix Rouge (Service Prisonniers de Guerre), Geneve, Suisse', canceled by Saida/ Algeria date stamp '5th Aout 18' with circular '2nd Regiment Etranger/ Place de Saida/ Franchise Postal' and 'Controle Postal Militaire' censor tape tied by circular 'Commandant D' Armees/ Place de Saida/ Censure' on face with oval 'Ouvert/ Par L' Autorite Militaire/ 785' on face and reverse with adjacent 'Ouvert/ Par L' Autorite Militaire/ 77' in violet on face.