cover 1930 (4 Jan.) envelope (fault at lower right) addressed in arabic to Wau, bearing 5m. tied by "JUBA" skeleton c.d.s. (unlisted in Stagg) and showing, on reverse, "WHITE NILE/T.P.O./NO2" (5.1), Malakal (9.1) and arrival (18.1) c.d.s. Photo