1915 British E7 Submarine PoW at Ankara to Canterbury
Code: B32232
Great Britain – Türkiye: 1915 (November). Cover from a British prisoner of war Submarine Lieutenant Irwine M. Twyman at Ankara to Canterbury struck by rare Ankara Merkez Kumandanligi (Ankara Central Command) and German Military censor cachets, 7 November Constantinople transit with black boxed Istanbul censor cachet and 23 December London arrival cancel. He was captured at Dardanelles when HMS Submarine E7 sunk. 3 officers and 25 sailors taken prisoner. Very few mail survived up to this day.
