This drawing, created by an unknown artist using red chalk, impresses with its mastery in depicting the figure of a reclining man on a surface. The tonal transitions in the artwork leave a strong impression. The artist's professional work demonstrates the ability to capture every muscle of the body with great detail. The drawing successfully reproduces the anatomy of the man, with visible contours and the delineation of each muscle. The artist employs shadows and highlights to create a realistic representation of the body. Each muscle is clearly delineated, allowing the observer to feel the strength and flexibility of the figure. The tonal drawing, executed with red chalk, adds depth and realism to the depiction. The use of light and dark tones adds volume and structure, making the figure even more vivid and expressive. Additionally, on the reverse side of the sheet, there is a miniature sketch of this work. There is a watermark in the shape of a crescent moon.