1 July 1875 to 31 March 1879

US foreign surface letter rate 5 c
US Conversion rate 1 US cent = 5 goldcentimes
Swedish conversion rate 1 goldcentime = 0.72 öre. (Rates not completelyclear, may also be 0.8)
US marking shows the value of stamp affixed in goldcentimes.
In Sweden double rate for the item less the value of the US stamps affixed is charged. The amount due was paid by affixing postage due stamps.

For further details and larger image, click on the item

Unfranked letter

Letter with 3 cent

Double rate letter with 5 cent