1 Kr.
International air mail express letter to Europe (category I and later 1) < 20 gr. AR
Postage rate 40 öre, air mail fee 0 öre and express mail fee 60 öre
Air mail label type 7 and express mail label type 9
Arrival postmark: Bruxelles 02/09/60
01/06/52 - 30/06/62
