Heinz Mack, o. T., Embossed aluminium sheets on wood on granite plinth, 1959, 49.5x37x37cm

Heinz Mack, Untitled, Charcoal on hand-made paper, 1960-1966, 107x68.5cm

Heinz Mack, Untitled, Aluminium, 1960, H81xd10cm

Heinz Mack, Lichtfächer, Aluminium mesh on an aluminium board on wood, mounted in a frame, 1966, 41x50x2.5cm

Heinz Mack, o. T. Gouache on black paper, 1965, 63.5 x 48.3cm

Heinz Mack, Vibration, Hand embossed aluminium on hardboard, plexiglas, 1959, 37x44.5x2.5cm(Plexiglas case 47x54x7cm)

Heinz Mack, Mauerrelief, silver leaf on wood, 1962, 122x94cm

Heinz Mack, Untitled, Black wax crayon on paper, 1959, 53.2x44.5cm

Heinz Mack, Licht-Flügel, Aluminium, glass, wood, stainless steel, 1965, 63x102x9.5cm