Jean  Dubuffet   Staircase VII (Escalier VII), April 27, 1967 Vinyl on canvas, 130 x 97 cm Solomon R. Guggenheim Foundation, Hannelore B. and Rudolph B. Schulhof Collection, bequest of Hannelore B. Schulhof, 2012 2012.48 © Jean Dubuffet, by SIAE 2012 credits: Hangar Design Group