František Kupka (1871-1957) Cocorico combined technique (color chalks, gouache, lithographic background) on paper sign. PD 39,5 x 32 dated 1900 frame, passe-partout, glazed. Work will be included in the forthcoming monograph M. Theinhardt / P. Brulee: Cultural heritage - a proposal to cult. Consulted and assessed by prof. J. Zemina and prof. T. Vlček, CSc. Accompanied by expert expertise PhDr. K. Srp