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
2 cent. Correct rate 3 cent. Shortpaid 1 cent. US due handstamp indicates
double deficiency 2x1x5=10 centimes. Amount due in Sweden 10x1.2=12 öre
rounded up to 15 öre. Amount due paid by affixing stamp on the item.