Thailand. (Singapore). 1941. Air Mail envelope addressed to Southbridge, Mass. bearing Thailand SG 295, 25s orange and slate, SG 297, 1b blue and grey and SG 298, 2b grey and carmine tied by Bangkok GPO date stamp '31st June 41' with circular '6' censor cachet in violet on face, endorsed 'via KLM. To Singapore/ Hence by Pan American Clipper,' routed via Singapore with censor tape tied by 'Passed by /Censor 42/ A' hand-stamp with circular 'E' and '23' censor cachets. Very fine.