Thailand. (Hong Kong). 1941. Registered Air Mail envelope addressed to San Francisco bearing SG 288, 10s carmine (3) tied by Bangkok / G.P.O. date stamp with matching registered label and circular '3' censor cachet in violet on face, routed via Hong Kong with 'Opened by Censor / Hong Kong' label in black tied by framed '65' cachet in green with San Francisco receiver on reverse. Very attractive item of censored mail.