Flower pot 18x20 mm
Colour: Black
Items known:
19.6.1951 Stockholm to Chicago IL (US), black
19.6.1951 Postcard to USA. Correct rate 20 öre. Franked with foreign stamps which are voided. Shortpaid 20 öre Amount due 2x20/1.7=24 centimes. No due seems to have been charged in the USA