caption: The image shows an engraving of a man with long hair and a beard, identified as Marcus Conweiler, the first Duke of York, from the series 'The Duke of Gloucester'. He is wearing a long robe and has a serious expression on his face. His hair is long and wavy, and his eyes are focused intently on something in the distance. The text at the bottom of the image reads 'Marcus Conweilers', indicating that this is a portrait of him.