1 May 1967 - 30 June 1971
US foreign surface letter rate 13 c
Swedish foreign surface letter rate 70 öre
US handstamp shows amount to pay in US cents (normally double deficiency) and US surface letter rate.
In Sweden the indicated fraction multiplied by 70 and rounded up to nearest 5 öre was normally paid by affixing stamps on the item.
Customs fees including custom house porter fees
when cleared in Stockholm: 265 öre (9 Jan 1967 to 31 Dec 1968), stamps
probably affixed on the parcel. The rate consists of a postal fee; 150
öre (1 Jul 1964 to 28 Feb 1969) and a custom house porter fee. The
porter fee in Stockholm for postal items was 80 öre + 45% rounded
to nearest 5 öre = 115 öre (9 Jan 1967 to 31 Dec 1968)