Bell 18x23 mm (late prints 20x24 mm)
Colour: black, red
Items known:
6.2.1924 Stockholm to St Moritz (CH), red
12.3.1925 Stockholm to London (UK), black
6.2.1924. Postcard to Switzerland. Correct rate 20 öre. Shortpaid 10 öre. Amount due 2x10/0.60=33 1/3 centimes. Converted to 30 Swiss centimes