cover TIENTSIN: 1899 (26 Apr.) picture postcard (light discoloration) to Germany, bearing C.I.P. 5c. tied by blue "Pa-Kua", and Hong Kong 2c. carmine vertical pair tied by boxed "I.P.O." (Type 1) with Tientsin c.d.s. (Customs removed) alongside (both in blue), the 2c. pair additionally tied by Shanghai c.d.s. (1.5) and the card also showing Shanghai bi-lingual c.d.s. Scarce. Photo