French Colonies. (French Congo). 1893. Registered 'Congo Francais' postal stationery envelope 15 cents blue upgraded with Yvert 13, 2c lilac, Yvert 21, 40c orange, Yvert 22, 50c rose and Yvert 25, 75c violet/ yellow tied by Libreville/ Cong Francaise double ring '3rd Oct 93' with framed hand-struck 'R' addressed to Belgium with octagonal French paqubot 'Loanga a Marseille/ L.M. No 1' date stamp on face, routed via Marseille with Bruxelles registration on reverse and circular postmans chop. Very attractive franking with fifty and seventy five cents scarce on cover.