caption: The image shows an open book with a painting of a man in a blue suit and red hat, holding a spear in one hand and a shield in the other. The man is believed to be a knight, as indicated by the title of the book, which is likely from the 15th century. He is wearing a full suit of armor, including a helmet, breastplate, and gauntlets, and is holding a staff in his right hand. His face is stern and determined, and his eyes are focused on something in the distance.