1 Kr.
International air mail letter to some countries in Africa (category IIb), in Latin and South America
(category IIIb) and in Asia ( category IVb) 5 < 10 gr.
Postage rate 30 öre and air mail fee 70 öre
Arrival postmark: Khartoum 23/07/49
01/01/47 - 30/11/49