/added 6 Jan 2005
T 24c
Flower pot 17.5x19 mm, 24 sans serif, "c" 1x5 mm
Colour: violet
Items known:
26.7.1963 Göteborg to Göteborg to Harschbach b Puderbach Ww (DE), violet 19.6.1951 Stockholm to Chicago IL (US), black

26.7.1963 Unfranked Printed matter to Germany.  Correct rate 20 öre. Amount due 2x20/1.7=24 centimes. Converted to 45 German Pfennige. Refused and returned. Double rate 40 öre paid by sender. If converting 24 c back to it would have been 40.8 öre rounded up to 45 öre.