guggenheim-arts: Form of Blue by František Kupka, 1925, Guggenheim MuseumSolomon R. Guggenheim Museu
guggenheim-arts: Form of Blue by František Kupka, 1925, Guggenheim MuseumSolomon R. Guggenheim Museum, New York Gift, Andrew Powie Fuller and Geraldine Spreckels Fuller Collection, 1999 © 2016 Artists Rights Society (ARS), New York / ADAGP, ParisMedium: Oil on canvashttps://www.guggenheim.org/artwork/5641 -- source link