Thailand. (Singapore - Trans Pacific Mail). 1941. Air Mail envelope addressed to New York bearing SG 293, 10s red, SG 296, 50s grey and orange and SG 297, 1b grey and ultramarine tied by Bangkok GPO date stamp '5th Oct 41' with Siam circular censor '7' in violet and framed slogan 'Thailand/ Implores For/World Peace' on face in violet, routed via Singapore with brown censor tape tied by 'Passed By/ Censor 307/ A' in violet on face and reverse with hand-stamp 'E' and '14' applied in Singapore.
Carried on 'California Clipper' over the Pacific to San Francisco and domestic service to New York.