Thailand. (K.L.M. Dutch Service). 1938. Air Mail envelope addressed to the 'Banque de L' Indochine, Paris' bearing SG 255, 10s carmine and SG 258, 50s orange and black tied by Bangkok GPO date stamp '22nd Jan 38' with 'KLM Service/ By Airmail' label in blue and Paris arrival '29th Feb 38' on reverse. Very fine.