Ceylon. 1939. Air Mail envelope addressed to St. Gallen, Switzerland cancelled by 'Ceylon/ Postage Revenue 20c' meter (8) with Colombo date stamp '6th Oct 39' with 'Opened by Censor/ K' censor label routed via India with triangular 'Passed Censor/ Madras/ 3' in violet on face. Attractive item, early censorship.