1919, U.S. Postal Agency Siberia. Three different YMCA picture post cards from the same correspondence all with "U.S. Postal Agency Siberia" duplex cancel & A.E.F. Siberia Censored handstamp, picture post card include "Ice Encrusted Steamer Arriving at Vladivostock", "American Flag ship 'Brooklyn' at Vladivostock" & "American Troops Entering Vladivostock", Very Fine and attractive. Estimate  $200 - 300. $0 (Image)