) from Col. Wm. Cameron of the 72nd Highlanders to his sister in Aberdeenshire, countersigned by the C.O. and bearing 8p. tied by barred obliterator and showing "FIELD FORCE P.O./APR 17" c.d.s. and "KOHAT" transit c.d.s on reverse. An interesting item that indicates the location of the F.P.O. c.d.s at that time. Photo" /> cover 1879 (15 Apr.) soldier's envelope (with enclosed letter headed<I> "Camp Ali Khel"</I>) from Col. Wm. Cameron of the 72nd Highlanders to his sister in Aberdeenshire, countersigned by the C.O. and bearing 8p. tied by barred obliterator and showing "FIELD FORCE P.O./APR 17" c.d.s. and "KOHAT" transit c.d.s on reverse. An interesting item that indicates the location of the F.P.O. c.d.s at that time. Photo | Christie's