80 öre
1927--1936-06-30 Reg air mail cover within Europe, 20-40 gr
Letter fee, second rate, 40 öre(1922-10-01--1936-06-30)
Air mail fee 20-40 gr, 20 öre (1927--1945-09-19)
Registration fee, 20 öre (1925-10-01--1948-03-31)