1897年1月7日上海法国领事寄北京大使实寄封,贴洋银肆分盖于肆分银三连票,销上海海关日戳,信封轻微染污,这是最早期的大清国办邮政实寄封.。1897 New Currency Surcharges,Small Figures Surcharge,Covers4c. Letter Rate,1897 (7 Jan.) cover front from the French Consulate in Shanghai to the French Legation in Peking bearing strip of three 4c. on 4ca. tied by Customs/Shanghai c.d.s.; some light soiling. This is the earliest postally used Imperial Post cover,. Photo