Circular 27 mm
Colour: violet
85 öre rate period 1.7.1971-30.6.1972
Most typical use: Unfranked letter to Scandinavian country
Items known:
27.10.1971 Linköping to London (UK), violet
27.10.1971 Second rate letter to England. Correct rate 150 öre. Shortpaid 65 öre. Due handstamp shows double deficiency 130 öre and foreign letter rate 85 öre. 130/85 of foreign letter rate 5 p =7.65 ~ 7½ p have been charged in England.