Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Belgium and Belgian Congo - 1905-06, two black-and-white postcards, representing Giant Balloons, one is commemorating 75th Anniversary of Belgian Independence, produced by Louis Capazza, the other one - on Brasschaat Ground with balloonists who made it, sent from Brussels to Uccle or Liege, both are VF and scarce, Est. $200-$240, Sc. # 60