1913 Postal stationery Registered envelope 10m. (with added text in Arabic) used 1920 from Port Said to Alta Loma, California, USA, uprated by similar 10m. blue, 1m. and 5m. all tied by Port-Said '20 FE 20' cds, Reg. cachet and Chicago transit dater alongside, New York and Chicago transit datestamps on the reverse, fine, and scarce as thus. (Image)