The image shows a painting of a man with a beard wearing a green and red dress, framed in a photo frame. The man is believed to be Sir Thomas Rowlandson, as indicated by the title of the painting. He has a serious expression on his face, and his hands are clasped in front of him. His hair is dark and his eyes are focused intently on something in the distance. The frame is a simple black color, and the painting is done in a realistic style.