1898 (10 Aug) French Consulate at Szemao cover to Hanoi, f.w. Navigation and Commerce issue 15c, tied by Laokay cds. Arrived Hanoi (17
1898 (10 Aug) French Consulate at Szemao cover to Hanoi, f.w. Navigation and Commerce issue 15c, tied by Laokay cds. Arrived Hanoi (17 Aug). Example before the establishment of French PO in Yunnan. 2023 (Mar) AVA Auctions, lot 777. 1898.8.10 法國駐思茅大使館封寄河內，貼航海及商貿神像15生丁，銷老街日戳。8.18抵河內。為雲南法局開局前之例子。2023.3 艾華春拍，拍品號777。
