1 Kr.
International air mail letter to some countries in Africa (category IIb and later 2b)
and to Latin America ( category IIIb and later 3b) 5 < 10 gr.
Postage rate 40 öre and air mail fee 60 öre
Air mail label type 6. Arrival postmark: Berberati 25/04/56
01/09/53 - 30/06/62