Missionary sisters on a narrow boat by a riverbank, Congo, ca.1920-1940

"Mission des Dominicaines-Missionnaires de Fichermont a Niangara - Haut-Uele - Congo Belge" "Deux Soeurs en pirogue vers la mission." Two Catholic missionary sisters are shown on a narrow boat near a riverbank. A thatch-roofed building is visible on the far bank, while cows drink from the nearer side.; The back of the postcard has no a few lines of handwriting on it and is stamped and postmarked