cover 1904 (13 Jan.) ½a. stationery envelope to England bearing additional 1903 ½a., both cancelled by legible "F.P.O. NO 45" single-ring d.s. and showing, on reverse, Base Office Berbera (27.1) and Aden (8.1) transit c.d.s.; the envelope with part of flap missing. Scarce. Photo