Nude male seen from the back

Artist: Anonymous
Artwork: Nude male seen from the back
Description: This is a sketch of a nude male seen from the back. The man is seated on a rock or other object, with his left arm raised above his head. The drawing is in red chalk on paper.
Url: https://anartworkaday.zhouqingen.com/reference/master/Museum/Museo Nacional del Prado Sketch/AnonimoDesnudomasculinovistodeespaldas.avif