1914年2月7日上海寄蒙自公文封, 封背盖上海双语调度戳, 少见的2月24日蒙自双语到达日戳, 另有1932年9月26日寄上海公文封, 盖紫色方框印记. China Covers and Cancellations Official Mail 1914 (7 Feb.) printed On Service envelope from Shanghai to Mengtsz bearing, on the reverse, Shanghai bilingual despatch c.d.s. and the scarce Mengtsz bilingual arrival c.d.s. (24.2). Also 1932 (26 Sept.) On Service envelope registered to Shanghai from Hsinpuchen with elaborate boxed handstamp in purple. Good to fine. Photo
