watercolour and pencil on paper
cut of passe-partout: 26,5 x 22 cm
signed lower right: Kupka
dedication on the reverse: „Váženému panu Jaškovi srdečně Váš Kupka“ / “To dear Mr. Jašek cordially Yours Kupka” and authenticity confirmation by the artist’s wife Eugenie Kupka
An expert’s report written by Vladimir Lekes, the co-author of Kupka’s catalogue raisonné attached (prepared with the cooperation of Adolf Loos Apartment and Gallery, National Gallery in Prague and Belvedere Vienna).
Confirmation of the authenticity by Professor Tomas Vlcek attached.
Consulted with Professor Jaromír Zemina and Dr Karel Srp.