Ottoman Turkey: 1921 (25 September). 20pa war overprint 1901 interior use postal stationery envelope (isfila AN137) to Salonica additionally franked PTT overprinted block of four 20pa, 1pi, 2pi and 2 1/2pi of 1905 stamps for 7 1/2k foreign letter rate (20pa overfranked) tied by Stamboul 4 datestamps. Reverse Greek Thessaloniki arrival cds.
