10th National Free Balloon Competition for the A. Wańkowicz Challenge Cup in Mościce, 1938; a letter sent by the balloon “Łódź”;
All items can be viewed at our office in Warsaw at 7/19 Romualda Mielczarskiego Street, Mon–Fri from 8:30 a.m. to 4:30 p.m.
To facilitate your visit, please call us in advance at 691-666-727.
