oil, cardboard Dimensions: 109 x 130 cm signed and dated lower right: "J. Rotbauer 1990 / 91" verso signed, dated and inscribed   Provenance: collection of the Rotbauer family   Consulted with Professor Jaromir Zemina, Dr Karel Srp, Dr Jiri Machalicky, Aneta Kopecka and Vladimir Lekes.   Confirmation of authenticity attached.