oil on canvas 23 x 30,5 cm signed lower right: "J.Sima" verso signed, dated and inscribed: "N. York. Jan.1965 J. Sima" verso exhibition stamp   Provenance: - significant collection Prague    Exhibited.   Consulted with Professor Jaromir Zemina, Dr Jiri Machalicky and Vladimir Lekes.   Expertise by Professor Jaromir Zemina attached.