embossed chiasma on board 100,5 x 71,5 cm signed and dated lower right: "JK 76" verso signed and dated: "J Kolar 76"     Provenance: - collection of Bela and Jiri Kolar    Publicated.   Consulted with Martin Helcl, nephew of Jiri Kolar and holder of the painter's copyright.   Further consulted with Professor Jaromir Zemina, Dr Jiri Machalicky and Vladimir Lekes.   Confirmation of authenticity attached.