1918 1pi deep blue, tied by Army Post Office SZ 45 (5 Mar 18) pmk on cover to Cairo, two different "Passed by Censor" markings, including one "E.E.F. Base Censor", filing fold away from the stamp, with Cairo arrival pmk on back, fine, with 1988 Philatelic Foundation certificate (Cat No. 1) (Image)

Est.US$250