1891年8月28日由上海经海路寄烟台封, 贴上海书信馆双龙伍分票, 销上海工部信馆双语邮戳, 封背盖蓝色上海书信馆同日调度戳, 旁有8月31日蓝色烟台海关第三型日戳. 品相中上.Chefoo Incoming Mail via the Customs Post 1891 (28 Aug.) envelope from Shanghai to Chefoo <I>"pr S.S. Haeting" bearing Shanghai Double Dragon 5c. pink tied by bilingual "<H>local post/shanghai" circular postmark and, on the reverse, Shanghai Local Post despatch c.d.s. and a good strike of Customs Chefoo type III c.d.s. (31.8) in blue. A fine and important cover, this is believed to be the earliest of about ten covers from Shanghai sent via the Chefoo Customs post. Photo
