2 Mar 1974 - 30 April 1975
US foreign surface letter rate 18 c
Swedish foreign surface letter rate 100 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 100 rounded up to nesrest 5 öre was normally paid by affixing stamps on the item.
Unfranked
postcard. Not accepted in air mail. Postcard rate 12 c. Due handstamp indicates
double deficiency 24 c and foreign surface letter rate 18 c(Originally
the postcard rate 12 has been indicated but it has been changed to 18).
Swedish due label indicates 24/18 of foreign surface letter rate 100 =
133.33 öre rounded up to 135 öre. Stamps for the amount due should
normally be affixed on the item, but was somtimes paid in common for several
items, affixed elswhere or ignored.