1918年5月29日寄天津大型保险 (值500 卢布) 封, 贴20 戈比二枚 25 戈比四枚及1 卢布五枚, 销颇清晰 Ka-2b 型日戳, 及有一日戳在另一边, 封面上地址以中文及俄文书写, 封背盖6月14日的喀什分发戳, 及有五枚红色大火漆, 贴高邮资达6 卢布40 戈比, 品相中上.SinkiangRussian Post OfficeKashgar1918 (29 May) large insured (for 500 roubles) envelope to Tientsin bearing 20k. (2), 25k. (4) and imperf. 1r. (5) tied by good strikes of the type Ka-2b c.d.s. with another strike alongside; the address is in Chinese and Russian. The reverse bears the despatch c.d.s. (14.6) and five large red wax seals. A good franking. The rate is 6r.40. Photo