1862 Hong Kong (6 Mar) to Shanghai. Entire letter, rated "4" for inter-treaty port rate, applied with Hong Kong PAID cds and index C cds.
1862 Hong Kong (6 Mar) to Shanghai. Entire letter, rated "4" for inter-treaty port rate, applied with Hong Kong PAID cds and index C cds. Arrived Shanghai BPO (16 Mar) with Webb type A cds as arrival (reverse index C). It is the earliest recorded type A cds as arrival marking.1862.3.6 香港寄上海。郵簡，寫有郵資“4”合商埠間郵資，鈐香港已付日戳及C字日戳。3.16抵上海英局，鈐Webb A型反C字到達戳。此為A型日戳用作到達戳之最早記錄。
