cover 1885 (6 May) envelope to Sydney, headed from "Pr. Hepworth 192 B Co. N.S.W.I.", countersigned by Commanding Officer, showing "BRITISH ARMY POST OFFICE/EGYPT" c.d.s. with code "A", boxed "T" and, on reverse, Sydney arrival c.d.s.; the envelope a little soiled and damaged but very rare. Photo