Its HAnddrawn and than scanned than put into composition. You can see it easily on the linework, there is a small thicker point at the end of his shading, which indicates a pen with liquid overflow is used on the drawing. I am using a Pilot-G 0.3 mm Gel pen to avoid thoses dots. Soon I wil get a 0.25 Nanotech Pen, the most thin pen with liquid ball tip in the world! I hope i wont break it, must be sensitive.