Heinz Mack Ohne Titel1964 © VG Bild-Kunst, Bonn coloured crayon on paper 107 × 78.6 cm / 42 1/8 × 30 15/16 in Signed and "64" dated SOLD I would like to be informed about new works by Heinz Mack. Would you like to sell a similar work? Contact us! ExpertiseWe thank the studio of Heinz Mack, Mönchengladbach, for the confirmation of the work's authenticity ProvenanceThe artist's studio; Private Collection Rhineland About Heinz Mack Heinz Mack is co-founder of the ZERO movement. Light is the central element of his work, which can be assigned to kinetic art and Land Art. More on Heinz Mack