Circular 27 mm
Colour: unknown
Items known:
28.6.1927 Stockholm to Cernocixe.Caslowsky (CZ)
28.6.1927 Postcard to Czechoslovakia. Correct rate 15 öre. Shortpaid 5 öre. Amount due 2x5/1=10 centimes. There is no indication of due charged in Czechoslovakia.