Sweden. Air mail cover Facit 177Ac, 231 cover, 10+2x15 öre on air mail cover sent from STOCKHOLM 18.7.36 to Yugoslavia. Transit ZEMUN 5 AÉROPORT-BEOGRAD 20.VII.36 and arrival pmk 21.67.36. Correct postage 30 öre + air mail fee 10 öre.
