unused 1922-25 Meccan Sherifian Arms, a specialised mint collection including imperforate proof pairs (6), 2pi. block (6x6, some spilt perfs.), 1923 local surcharges, 1924 Caliphate gold overprint study with 1pi. strip, 2pi. and 5pi. overprints inverted (not guaranteed), 2pi. strip doubly perforated vertically, and Postage Dues with 1923 inverted overprints (6); generally fine. (181)