/added 2 Jul 2003
T 20/110
Circular 27 mm, narrow T
Colour: violet
110 öre rate period 1.5.1975-31.1.1976
Most typical use: Foreign letter paid at old foreign letter rate.
Items known:
1974(?) Göteborg

Taxe mark listed by "Leahy, Edward W.: The Book of T, Apache Junction AZ, USA 1999" but no cover image available.