Ottoman Türkiye: 1917 (12 June). Cover addressed to Feldpost 18 German AOK 11 serving in Serbian front at that time franked with 10pa and two 20pa pictorial stamps tied by Sahra Postasi 40 field post office datestamps which was located in Izmir at that time, red circular and rectangular censor cachets and 14 June Istanbul transit machine cancel on reverse. Scarce.
