A portrait of a young gentlemen in a riding costume, in the park of a castle, standing next to the bust of his mother with the inscription "à la Reconnaissance" (in gratefulness)., Carl Hummel, 1803
Date: 1803. Dimensions: height: 19 cm (7.4 in); width: 13 cm (5.1 in). Medium: watercolor on ivory. Carl Hummel, Franz de Paula Graf von Hartig (1803)