ink on paper 15 x 22 cm signed and dated lower left: "Kamil Lhotak 50" dated lower left: January 27, 1950 numbered lower right: 27.   Provenance: - significant collection Prague    Confirmation of authenticity by Kamil Lhotak Jr., son of the author and copyright holder, attached.   Consulted with Professor Jaromir Zemina, Dr Jiri Machalicky and Vladimir Lekes.