Rare Stamps & Postal History of the World

1919 (30 July) cover addressed to Athens (c/o Russian Legation), sent by Aspirant Michel Popoff, British Mission Ekaterinodar South Russia C/o Constantinople G.H.Q., with Army Post Office and "Passed by Censor No.370" markings, backstamped on arrival, minor cover flaws, fine (before the postal service was started in August 1919, mail was censored locally and canceled in Constantinople by the Army Post Office)
Estimate: $150