1931年重庆寄英国托基分段航空挂号封1件,封正面手写航空至上海邮路指示,贴北京二版10分5枚,北京二版航空15分2枚,销重庆8月13日小圆戳,经宜昌,上海中转,有宜昌8月16日戳,上海23日戳,及英国托基9月9日到达戳,邮路清晰,保存完好,此封为重庆至上海航线早期实例ChinaPostal HistoryRepublic of China1931(13 Aug.) Registered Two Zone Airmail/Surface cover from Szechwan via Ichang and Shanghai, then by Surface to England, on the reverse, bearing Junk 10c. (5) and Air Mail Issue 15c. (2) tied by Chungking c.d.s., arrival Englang on 9 Sept. with c.d.s.































