1893年10月12日由Cornabe & Co. 寄上海商业封, 贴烟台第一版一分票一枚, 销紫色烟台工部书信双圈双语邮戳, 封背盖清晰蓝色㰐圆形烟台书信馆调度戳, 旁盖蓝色10月14日上海书信馆到达日戳, 另有邮务员手写记号. 信封保存良好.Chefoo Issued Stamps Covers 1893 (12 Oct.) commercial envelope from Cornabe & Co to Shanghai bearing first issue 1c. tied by a fine strike of the double-circle bilingual postmark in purple and, on the reverse, the oval despatch datestamp in blue, Shanghai Local Post c.d.s. (14.10) in blue and the postmans pencil delivery characters. A clean and fine cover.This is the earliest recorded date of the bilingual postmark. Photo
