1921-02-01--1924-07-31 Letter to Denmark or Norway(and Finland from 1922-06-01) insured for 1000-1250 kr, second rate
1920-07-01--1924-07-31 letter fee, sekond rate, 40 öre
1921-02-01--1924-07-31 Insurance fee 1000-1250 kr: 30 öre+8 öre/250 kr=70 öre
