cover 1903 (8 June) envelope (opened out) to Haiphong and redirected to Paris, bearing 1903 15c. neatly cancelled with "MONGTZE/CHINE" c.d.s. -- an early usage, and 1906 (11 Dec.) envelope registered to Switzerland, bearing 1903 20c. and 30c. tied by clear "MONG - TSEU - CHINE" c.d.s. Both ex Canman.