cover 1924 (Aug.) XU5 from Djibouti to Aden Camp, readdressed to Maalla and returned, franked at 75c. and showing, on reverse, Aden (1.9), Aden Camp (1.9 and 3.9), Aden Camp Dely (2.9) and Maalla Dely (3.9) c.d.s.