Sweden. Air mail cover Facit 145A, 183, 190, 231 brev,, 2×10+25+40 öre on special delivery air mail cover sent from GÖTEBORG 20.5.33 to the Netherlands. Arrival pmk AMSTERDAM 22.5.1933. Correct postage 25 öre + special delivery fee 50 öre + air mail fee 10 öre. Nice item.