cover 1919 registered censored envelopes (2) to Toronto (opened out for display and a little ragged at top right) and Switzerland bearing 3c. (5, perfin "H.S.B.C." - Hong Kong and Shanghai Banking Corporation, two have straight edges), and 2c. + 3c. (straight edge) + 5c. pair respectively, both cancelled by oval U.S. Postal Agency Shanghai R.D. h.s. Interesting pair showing use of U.S. and French censors. Photo