Bidspirit auction | Worldwide Pioneer Flights - France

Worldwide Pioneer Flights - France - 1910, Meetings of the Year, six black-and-white postcards, with specially printed embossed labels (simulated wax seals) in dark red and black or dark red only for Grand Aviation Meetings, two from Nancy, Baie de Seine, Rouen, Bordeaux and De Picardie Manoeuvres, occasional flaws, still F/VF, Est. $300-$400