South West Africa. (Switzerland). 1918. South Africa postal stationery card 1d red cancelled by Tsumeb/ S.W. Africa double ring '17th Oct 18' addressed to Switzerland with circular 'Passed Censor/ B 100' with instructional 'Delayed by Censor 100B' on face with adjacent 'Passed Censor/ C. 9' . Very attractive item 'Delayed' by Censor Undercover mail.