caption: The image shows a black and white drawing of a man with a beard and a hat on his head, which is believed to be Leonardo da Vinci's self-portrait from the 16th century. The man is depicted in a realistic style, with detailed features such as his facial features, clothing, and hair. His eyes are closed, giving the impression of a peaceful and serene expression. His beard is neatly trimmed and his hat is slightly tilted, adding to the overall calm and contemplative atmosphere of the image.