Circular, 22 mm
Colour: black
400 öre rate period 2.1.1991-1.1.1992
Most typical use: Foreign letter franked with latest discount stamp.
Items known:
20.8.1991 Göteborg Nordstan to St Gallen (CH), black
20.8.1991 Letter to Switzerland. Correct rate 400 öre. Shortpaid 170 öre. Due handstamp indicates deficiency 170 öre and foreign letter rate 400 öre. There is no indication of postage due charged in Switzerland. From 1989 postcards were charged at letter rate.