Lot 40635 – 1911 LAOS – THAILAND Postcard with UBON postmark

1911 Thailand used in Laos, 6s on 4a red postal stationery card to Vienna, dated 6 December, used with bilingual “Ubon” cds in blue, with Laos transit on alongside, dated on textside Oubone (Laos) 6.12.11, a very fine and rare postmark.