30 Dec 1946 to mid 1949
US foreign surface letter rate 5 c
US Conversion rate 1 US cent = 5 goldcentimes (during 1949 the US convertion rate changed to 3 goldcentimes)
Swedish conversion rate 1 goldcentime = 1.2 öre
US handstamp shows amount to pay in goldcentimes, normally double deficiency.
In Sweden the indicated amount was multiplied by 1.2 and rounded up to nearest 5 öre and marked on the item. The amount due was normally paid by affixing stamps on the item.
Postcard with
1 cent. Correct rate 3 cent. Shortpaid 2 cent. US due handstamp indicates
double deficiency 2x2x5=20 centimes (old exchange rate still used Sep 6
1948). Amount due in Sweden 20x1.2=24 öre rounded up to 25 öre.
Amount due should have been paid by affixing stamps on the item but this
card may have been refused, the due may have been paid cash or the stamps
affixed elsewhere.