oil, sololite Dimensions: 55 x 50 cm  signed and dated lower left: "Drtikol 1944" verso signed and dated   Provenance: - significant private collection of collectors Roy and Mary Cullen - auction Sotheby's London, 2014   Consulted with with a recognized expert, author of the monograph and exhibition Stanislav Dolezal, Professor Jaromir Zemina, Dr Karel Srp, Dr Jiri Machalicky, Aneta Kopecka and Vladimir Lekes.   Confirmation of authenticity attached.