Unframed 14x10 mm
Colour: unknown
140 öre rate period 1.3.1977-31.1.1978
Most typical use: Air mail letter 5-10 grams to North America paid at surface letter rate
Items known:
27.9.1977 Sundsvall 1 to Canton, OH (US)
27.9.1977. Air mail letter 5-10 grams to USA. Surface rate 140 öre. Air mail fee 25 öre/5 grams=50 öre. Total fee 190 öre. Shortpaid 50 öre. Due handstamp indicated deficiency 50 öre and foreign letter rate 140 öre. 50/140 of foreign letter rate 18 c = 6.42 c and handling fee 20 c, totally 26 c have been charged in USA.