40 öre, type I
1920-07-01--1922-09-30 Domestic reg letter, single rate
Letter fee, single rate, 20 öre (1920-07-07--1922-09-30)
Reg fee 20 öre (1920-07-01--1948-03-31)

70 öre
1920-07-01--1922-09-30 Domestic reg C.O.D letter single rate, 5-50 kr
1920-07-01--1922-09-30 Single letter rate 20 öre
1920-07-01--1924-09-30 C.O.D fee 5-50 kr: 30 öre
1920-07-01--1948-03-31 Reg fee: 20 öre