Circular 27 mm
Colour: violet
100 öre rate period 1.7.1972-30.4.1975
Most typical use: 5-10 grammes air mail letters to parts of Africa nad Asia paid at surface mail rate.
Items known:
15.7.1974 Helsingborg yo Ornage, NJ (US), violet
15.7.1974 Air mail postcard taxed as air mail letter 5-10 gr due to affixed decorations. Surface letter rate 100 öre. Air mail fee 25 öre/5 grams. Total fee 150 öre. Shortpaid 80 öre. Due handstamp indicates double deficiency 160 öre and foreign letter rate 100 öre. Amount due in USA 160/100 of foreign letter rate 18 c = 28.8 c rounded up to 29 c.