1899 (Mar. 16), Cover from Chicago, IL, to Tientsin, franked with US 5¢ pair (small faults) tied by Chicago flag cancel; San Francisco (Mar. 19) and Shanghai (Apr. 20) transits; on reverse "U.S. Postal Agency/Shanghai Recd" c.d.s. (Apr. 20) and "Tientsin" Large Dollar Dater (Apr. 24) in blue, Fine to Very Fine.