Circular 27 mm
Colour: violet
70 öre rate period 1.1.1967-30.6.1971
Most typical use: Inland letter remailed to foreign country.
Items known:
23.10.1971 Solna to Pura (CH), violet
23.10.1971. Inland letter remailed to Switzerland. Inland rate 55 öre . Foreign rate 70 öre. Due handstamp indicates single defciency 15 öre and foreign letter rate 70 öre. Manuscript 15 indicates that 15 centimes (15/70 of foreign rate 50 c=10.7, rounded up to 15 c) have been charged in Switzerland. Normally there should have been the corresponding amount in Swiss stamps affixed on the cover.