A collection of postmarks on leaves with Treaty Ports including Amoy "D.27" and "A1" (2), Canton "C1" and inverted code "B", Hankow "D.29" and 1912 commercial cover, Ningpo rhomboid of dots, Swatow "S2", maritime cancellations, Q.E. stamps and covers with Branch Office cancellations and some other items. Lionel Prescott Collection