1893 (9 Aug) US 5c stationery cover to Ningpo, applied with Boston machine d.s., matching cds on reverse. Transit San Francisco (14 Aug),
1893 (9 Aug) US 5c stationery cover to Ningpo, applied with Boston machine d.s., matching cds on reverse. Transit San Francisco (14 Aug), USPA Shanghai (12 Sep), Shanghai LPO (12 Sep). Arrived Customs Ningpo (14 Sep) with cds in red. Spectacular incoming example jointly delivered by US Post, Shanghai local post and Customs Post.1893.8.9 美國2分郵資封寄寧波，銷波士頓機戳，背鈐圓形日戳。8.14經三藩市，9.12經上海美國郵政代理落地。同日交上海工部郵局。9.14抵寧波海關，鈐紅色日戳。由美國客郵、工部郵局及海關郵政合作送遞之出色進口例子。
