U.S. Postal Agency, Siberia. 4 covers; three 1918 covers with large rubber bar duplex date stamp, two with Japanese illustrations (one wood cover) and other address to Manila P.I., 1919 killer "1" duplex usage, also 12 unused postcards including real photo and the "Greeting from the A.E.F." in Siberia tri-view card; minor faults including chipping on wood covers, otherwise Very Fine. Estimate  $300 - 400. $0 (Image)