/added 29 Sep 2009
50 cts.
Circular 22 mm
Colour: unknown
Items known:
18.8.1921 Pkp 2.. to Denver, CO (US)

17.8.1921 Letter to USA. Correct rate 40 öre. Shortpaid 20 öre. Amount due: 2x20/0.8=50 ctm. Converted to 10 US cents.