set of four color chiasma on board 45 x 40 cm verso estate stamp signed by the copyright holder of the painter Mr. Martin Helcl: "from the estate of Jiri Kolar"   Provenance: - collection of Bela and Jiri Kolar    Exhibited.   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.