16c. on 18c., a selection with unused (defective) and Treaty Post cancellations with "A1" (nicked "1" variety), "D.27", "C1", "F1" in blue and "D.29" in blue with additional "S1" in black; the used are fair to fine. Also envelope from Shanghai to Scotland bearing 16c. on 18c. cancelled by "S1" (the stamp does not belong)