International registered air mail letter to some countries in South America (category IIIc and later 3c)
and in Asia ( category IVc and later 4c) 5 < 10 gr.
Postage rate 40 öre, registered mail fee 50 öre and air mail fee 80 öre
Registered mail label type 7:2 and air mail label type 7
01/04/59 - 30/06/62