XXIV International Free Balloon Competition for the Gordon-Bennett Cup in Warsaw, 1936 occasional series on a letter sent by balloon "Legionowo" on the route Warsaw - Peliszcze, stamps stamped "GORDON-BENNETT BALON POCZTA BALONOWA".
All philatelic values can be viewed in our office in Warsaw, Romualda Mielczarskiego Street 7/19 Mon-Fri 8:30-16:30.
To facilitate the presentation, please contact us in advance by phone at: 691-666-727
