File:Marcel Duchamp, 1911-12, Nude (Study), Sad Young Man on a Train (Nu -esquisse-, jeune homme triste dans un train), Peggy Guggenheim Collection, Venice.jpg

Marcel Duchamp, 1911-1912, Nude (Study), Sad Young Man on a Train (Nu [esquisse], jeune homme triste dans un train), oil on cardboard mounted on Masonite, 100 x 73 cm (39 3/8 × 28 3/4 in), The Solomon R. Guggenheim Foundation Peggy Guggenheim Collection, Venice