• Willi Baumeister: Kessaua statuarisch, 1954, 65 x 81 cm, Oil with synthetic resin on Masonite
  • Ernst Wilhelm Nay: Ohne Titel (Postkarte), 1955, 10 x 17 cm, Watercolour and opaque white on cardboard
  • Fritz Winter: Ohne Titel, 1960, 18 x 25 cm, Oil on paper
  • Fritz Winter: Ohne Titel, 1960, 19 x 18 cm, Oil and tempera on paper
  • Fritz Winter: Grau-Blau, 1964, 80 x 90 cm, Oil on canvas
  • Serge Poliakoff: Composition 1966, 1966, 27 x 22 cm, Oil on canvas
  • George Rickey: One Up One Down Oblique, Var. III, 1975, 54 x 46 cm, stainless steel
  • Hans Hartung: P5-1977-H18, 1977, 26 x 38 cm, pastel on cardboard
  • Emil Schumacher: G-17/1972, 1972, 62 x 80 cm, Gouache on brown paper
  • Martin & Brigitte Matschinsky-Denninghoff: Doppel II, 1978, 30 x 0 cm, brass, tinned
  • Bernar Venet: Ligne Indéterminée, 1994, 26 x 50 x 50 cm, Steel, patinated
  • Max Frintrop: Ohne Titel, 2014, 102 x 72 cm, Indian ink, Watercolour, pigments, acrylic dispersion and shellac on paper