Turkey – Iraq: 1915 (May). Cover from an Ottoman PoW number 357 in Baghdad to his family in Istanbul struck by SERVICE OF PRISONERS OF WAR & POST-FREE * PRISONER OF WAR handcachets, Bombay and Istanbul censor marks. Reverse 30 May Göztepe – Gueuz-Tepe (A&P type 2, R) arrival cds. Seldom seen!
