Circular, 27 mm, T serifed
Colour: violet
60 öre rate period 1.1.1966-31.12.1966
Most typical use: unfranked foreign printed matter
Items known:
27.4.1966 Göteborg to New York, NY (US), violet
27.4.1966. Air mail letter 10-15 grams to USA. Correct rate: surface rate 60 öre and air mail fee 3x25=75 öre, totally 135 öre. Shortpaid 25 öre. Due mark indicates double deficiency 50 öre and foreign letter rate 60 öre. There is no indication of due charged in USA.