cover 1901 4a. stationery card from Tha-U-Then to Paris cancelled by native Tha-U-Then c.d.s. (25.11.119 = 25 Feb. 1901) and showing Bangkok 2 c.d.s. (20.12.119 = 20 March 1901). According to our records the only known example of the postmark for Tha-U-Then (at the time a small port in the Nongkai Province on the Mekong River for crossing into Laos) known on cover. Outstanding. Photo.