Rectangular, 50x17 mm
Colour: black
Digits may be on movable wheels
400 öre rate period 2.1.1991-1.1.1992
Most typical use: Unfranked letter to Scandinavian country
Items known:
29.1.1991 Linköping 1 P to Rolle (CH), black
29.1.1991 Letter to Switzerland. Correct rate 400 öre. Shortpaid 150 öre. Due handstamp indicates deficiency 150 öre and foreign letter rate 400 öre. There is no indication of postage due charged in Switzerland. 250 has been changed by manuscript to 150.