pencil on paper cut out passe-partout: 13 x 20 cm signed and dated lower right: "Kamil Lhotak 45" numbered lower left: 83   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.