Bidspirit auction | Gerstner, Karl: Colour Sound 8

Gerstner, Karl: Colour Sound 8 A Intro Version - Karl Gerstner 1930 - 2017 Colour Sound 8 A Intro Version Nitrocellulose lacquer over synthetic resin, cut; H 89 cm, W 89 cm, D 4 cm; verso inscribed, dated and signed ''Colour Sound 8 A Intro Version 8.4.88 Karl Gerstner''