There is an unfinished sketch of a still life on the reverse of this work.

This drawing is sold with a photo-certificate of authenticity signed by Dr. Ramón Favela and dated September 1, 1994. It will be included in Dr. Favela's forthcoming Catalogue Raisonné of the Works of Diego Rivera, Vol. I (1898-1921) and will be discussed in the soon to be published artist's biography The Early Life and Times of Diego Rivera, University of California Press.