1922年11月28日大型商业挂号封寄Zurich. 贴加盖 "China" 35 仙邮资, 其中10 仙邮资贴于封背, 销上海挂号R4 型戳, 及少见黑色6a 型上海B.P.O. 挂号印记, 封背有1月1日伦敦挂号戳及不完整的到达戳. 有小污染, 框型挂号戳正盖用于上海英国客邮局关闭寸前, 实在难得.Hong Kong Treaty Ports Shanghai 1922 (28 Nov.) large commercial cover registered to Zurich "Per S.S. President Cleveland" beaing 35c. franking of 1c. (15, ten on reverse) and 10c. (2) "<H>china" stamps tied by Shanghai registered oval type R4, code "A" with a good strike of the scarce type 6a "R/Shanghai B.P.O./No." registered handstamp (Proud R10) in black, the reverse with London registered (1.1) and part arrival c.d.s. (2.1); a little soiled. An impressive cover and a fine strike of the boxed registered handstamp used just before the closure of the British Post Office in Shanghai. Photo
