Ottoman Empire – Military: 1917 (16 July). Greeting card franked with 5pa perf. 11 1/2 Ortaköy Mosque pictorial stamp tied by Bebek (A&P type 3) datestamp, next day Istanbul transit and on front faint Sahra Postasi 9 field post office arrival cds. FPO9 used by the 5th Army stationed at Bandirma at that time.
