Rare Stamps & Postal History of the World

1919 (1 Apr) American YMCA Soldier's Mail corner card cover (part missing at top), with two strikes of "Base Depot Siberia", sent free-frank to Evacuation Hospital No.19 in Trier, Germany (A.P.O. 935), with "Passed as Censored A.E.F." strike at bottom, re-directed to Vannes, with "Express Service" arrival pmk, despite the obvious faults, fine and rare usage from Canadian Expeditionary Force in Siberia to American Expeditionary Force in Europe
Estimate: $500