Circular 27 mm
Colour: violet
100 öre rate period 1.7.1972-30.4.1975
Most typical use: unfranked letter to Scandinavian country
Items known:
29.7.1974 Stockholmia to New York, NY (US), violet
29.7.1974 Air mail letter 10-15 grams to USA. Surface letter rate 100 öre. Air mail fee 25 öre/5 grams. Total fee 175 öre. Shortpaid 75 öre. Due handstamp indicates double deficiency 150 öre and foreign letter rate 100 öre. Amount due in USA 150/100 of foreign letter rate 18 c = 27 c. Not called for and returned to Sweden and double deficiency 15 öre paid by sender.