The image shows a portrait of a man in a black and white drawing on a piece of paper. The man is identified as Christoph Gluck, as indicated by the text written on the paper. He is wearing a white shirt and a black coat, and has a serious expression on his face. His hair is dark and his eyes are focused intently on something in the distance. His hands are clasped in front of him, and his posture is upright and dignified.