A rough pencil sketch by a master painter. Visible construction lines and gesture lines. very few final lines and is done with visible construction and gesture lines. The thick pencil lines are as if from a small doodle blown up, and there is simple shading. The composition uses a lot of whitespace, implication, and scribbles to show light and shadow.

Consider both the style and the layouts in the pannels here: https://inked-dreams.com/2021/09/14/wally-woods-22-panels-with-examples/