1904 Chungking (17 Apr) to Tsingtau. Registered cover, f.w. Navigation and Commerce issue surch TCHONGKING with Chinese value x4, tied by
1904 Chungking (17 Apr) to Tsingtau. Registered cover, f.w. Navigation and Commerce issue surch TCHONGKING with Chinese value x4, tied by Chungking French PO cds., alongside with R mark. Transit Hankow French PO (2 May), Shanghai French PO (5 May), Shanghai Chinese PO (6 May). Arrived Tsingtau German PO (9 May). Interesting example of joint delivery by Chinese, French and German PO. The quadruple letter rate is also unusual.1904.4.17 重慶寄青島。掛號封,貼航海及商貿神像改值TCHONGKING二毛、四毛、八毛及十二仙,銷重慶法局日戳,旁鈐R章。5.2經漢口法局,5.5經上海法局,5.6交上海清郵。5.9抵青島德局。三國郵局聯合送遞例子。四倍信函郵資同樣難得。