caption: The image shows a black and white drawing of a man's face, believed to be Leonardo da Vinci's self-portrait. The drawing is on a piece of paper with some text written on it. The man in the drawing has a serious expression on his face, with his eyes looking off to the side and his lips slightly parted. His hair is short and dark, and his eyebrows are slightly furrowed. He is wearing a suit and tie, and he is standing in a relaxed pose.