瑞士: 1892-93年10 仙进口邮资封两件; 1/ 寄上海, 销Cazis 日戳, 及7月24日星加坡至香港轮船三型戳. 2/ 寄广州, 销Zunich 日戳, 及盖广州B.P.O. B 型戳.China Postal History Incoming Mail Switzerland: 1892-93 10c. stationery envelopes, the first to Shanghai cancelled by Cazis c.d.s. with Singapore to Hong Kong type 3 marine sorter (24.7); the second to Canton (vertical crease at right) cancelled by Zurich c.d.s. with B.P.O. Canton type B backstamp. (2 cards)