Cameroon German 1913 Envelope to Switzerland
Cover bearing German Cameroun SG K22, 10pf red tied by Duala Kamerun datestamp, underpaid with Swiss postage dues Yvert 44, 5c green and red and Yvert 45, 10c green and red (2) applied and tied on arrival by Engstringer double ring. (pt)    ID: 34601