China 1898-1910 Chinese Imperial Post Letter Box Pehtaiho Station (Hopei):1907 (Oct.) picture post card of Siemen Wharves in Canton, to Tientsin and bearing, on the picture side, C.I.P. 1c. tied by a very fine strike of the circular Chihli/Pehtaiho Station letter box chop with four lower segments; the address side with Tientsin bilingual arrival (11.10) and "4/S" examiners mark. A fine example of this very scarce postmark. Photo