The Franc affair (Hungarian: frankhamisítási botrány) was a plot by Hungarian nationalists to forge French bank notes. In the aftermath of World War I, Hungary lost a large part of its territory and population in a series of treaties its people considered unjust. This led many Hungarians to turn towards nationalism and revanchism. In 1922, Prince Lajos Windischgraetz was approached by Gyula Mészáros who presented him with a plan to counterfeit the French franc. Windischgraetz sought to damage the French economy while simultaneously raising funds for an internal coup in Hungary and irredentist activities. The plan came to halt when the notes produced by Mészáros were judged to be too primitive. In the summer of 1923, Windischgraetz met with German nationalist and retired Prussian Army Gener