Sitting female nude and portrait sketches on auction

Two nudes for today, this one is a 'mass' sketch done with broader strokes on the paper,
6x8' charcoal and white chalk on Strathmore toned paper
bid here


and the other one is a combination of lines and masses, often the position of the body or lighting dictates the treatment/method of the drawing.


6x8' charcoal and white chalk on Strathmore toned paper
bid here