Courtesy Beck & Eggeling International Fine Art, Düsseldorf © Heinz Mack / ADAGP, Paris, 2016
Courtesy Beck & Eggeling International Fine Art, Düsseldorf © Heinz Mack / ADAGP, Paris, 2016
Courtesy Beck & Eggeling International Fine Art, Düsseldorf © Heinz Mack / ADAGP, Paris, 2016