on piece 1875 (24 June) large part cover front to Cairo, bearing 1865-73 4d. Pl. 14 tied by "A25" duplex and showing a fine strike of the rare "INSUFFICIENTLY-PAID" h.s. (PDO-3), h.s. "P.D." in red obliterated by two "A25" duplex the following day; minor staining around adhesive. Photo