項次 3416

1922 Mengtsz (7 Jan) to Yenbay, Tonkin, f.w. Junk 1c in pair, tied by Junk 1c in pair for printed matter rate, tied by Mengtsz bisected bilingual cds. Transit Pishihchai (7 Jan), Hokow (7 Jan), Laokay (7 Jan). Arrived Yenbay (8 Jan). Short delivery time reflecting the efficiency of Vietnam-Yunnan Railway.

1922.1.7 蒙自寄印支安沛，貼帆船1分雙連合印刷品郵資，銷蒙自半切漢英日戳。同日經壁虱寨、河口、老街。1.8抵安沛。可見滇越鐵路效率之高。