• Otto Piene: Ohne Titel, 1962, 100 x 80 cm, Oil and pigment on canvas
  • Otto Piene: Feuerblume, 1964, 48 x 68 cm, fire gouache on cardboard
  • Otto Piene: Ohne Titel, 1970, 98 x 68 cm, Colour serigraph on paper
  • Otto Piene: Ohne Titel, 1975, 75 x 100 cm, fire gouache on cardboard
  • Otto Piene: Run, 1978, 40 x 31 cm, Oil and fire on canvas
  • Otto Piene: Sky Hook, 2014, 70 x 70 cm, fire gouache on cardboard