30 Dec 1946 to 30 Jun1948/23 May 1949
US foreign surface letter rate 5 c
US Conversion rate 1 US cent = 5 goldcentimes (From 1 Jul 1948 the US conversion rate was changed to 3 goldcentimes but items with the rate are known as late as 23 May 1949)
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.
Domestic letter
with 3 cent which is a correct rate. Remailed to Sweden. Correct rate for
foreign use 5 cent. Shortpaid 2 cent. US due handstamp indicates single
deficiency on remailed items. Amount due in Sweden 10x1.2=12 öre rounded
up to 15 öre. Amount due paid by affixing stamps on the item.