Group exhibition
15 June 1945 to 13 July 1945, Galerie René Drouin, ParisArt Concret
15 June 1945 to 13 July 1945, Galerie René Drouin, Paris15 June 1945 to 13 July 1945, Galerie René Drouin, Paris15 June 1945 to 13 July 1945, Galerie René Drouin, Paris
