A letter from the National Balloon Competition for the A. Wańkowicz Challenge Cup in Mościce, 1939, transported by the Mościce I balloon.
All items can be viewed at our office in Warsaw at 7/19 Romualda Mielczarskiego St., Mon–Fri, 8:30 a.m.–4:30 p.m.
To ensure a smooth presentation, please contact us in advance by phone at: 691-666-727
