cover 1900 (March) "red band" XU5 to Prague (13.5 arrival), bearing Dowager Empress 2c. on 2c. (large figures) tied by local c.d.s., also Columbus 1c. and Trans-Mississippi 4c., both tied by "U.S. POSTAL AGENCY/SHANGHAI" (Type 4) duplex. A very pretty combination franking. Photo in colour