On the reverse: signature. Bibliography: Mario Schifano Works on canvas 1983 - 1990/97, Vol. A II, edited by M.S. Multistudio, Milan, p. 516, n. 90-97/182.
The work is registered in the General Archive of the Opera of Mario Schifano, with n. 90-97/182. Certificate of authenticity and archiving by the Mario Schifano Foundation.