1.70 Kr.
International registered air mail letter to some countries in Africa (category IIb) 10 < 15 gr.
Postage rate 40 öre, registered mail fee 40 öre and air mail fee 90 öre
Registered mail label type 5:1 and currency control label
Arrival postmark: Cape Town 29/07/56
01/09/53 - 31/05/57