1904–1905
Pencil on paper
Dimensions: 21.5 x 17.8 cm
Signed lower right “Kupka”

A confirmation of authenticity by Vladimir Lekes, the author of Kupka’s Catalogue Raisonné of Oil Paintings attached. (published with cooperation of Adolf Loos Apartment and Gallery, National Gallery Prague and Belvedere Vienna). Confirmation of authenticity by Professor Tomas Vlcek attached. Consulted with Professor Jaromir Zemina.