Rare Stamps & Postal History of the World

1919 (18 Feb) cover (backflap missing) to Wesley, Iowa, franked with 2c carmine, U.S. Postal Agency Siberia duplex departure, oval "AM E.F. Siberia Passed as Censored Lieut.Lester K.Ade Base Censor" below, accompanied by sender's fascinating 6-page letter written by A.E.Paterson, Major R.R.S. Corps (The Russian Railway Service Corps was a semi military organization of American railway engineers and technicians formed by the Department of State in September 1917 at the request of the Provisional Government of Russia to operate the Trans-Siberian, Chinese Eastern, and Ussuri Railways)
Estimate: $250