1920/1933 collection of 5 airmail covers including early airmail postcard from København 16-09-1920 to Germany (first opening of regular routes abroad was on 15-09-1920). Airmail cover, printed matter but treated as postcard from Høng to Paris. Airmail cover from København 16-02-1929 to Germany. Airmail cover from København 29-06-1931 to Switzerland and an airmail cover from København 31-05-1933 to London, UK. On album pages in folder
