and bearing, on reverse, 1900 ½a. pair tied by "BASE OFFICE/OBBIA" double-ring d.s." /> cover 1903 (9 Apr.) envelope (faults) to London from Major Rawlins, Commander P.M.I. Somaliland Field Force, headed<I> "Field Service Bearing, No stamps available"</I> and bearing, on reverse, 1900 ½a. pair tied by "BASE OFFICE/OBBIA" double-ring d.s. | Christie's