Pencil, pastel, paper Cut out a passe-partout: 20 x 15 cm Upper signed (by the author's hand) with the dedication to Emil Gilels   Provenance: significant collection of Emil Gilels (acquired by Emil Gilels from Jan Zrzavy)   Exhibited.   Consulted with Professor Jaromir Zemina, Dr Karel Srp, Dr Jiri Machalicky and Alena Havlikova.   Confirmation of authenticity attached.