The Artist's Brother-in-Law, Ludwig Hassenpflug, Preparing to Play the Piano, Ludwig Emil Grimm, 1826

Date: 1826. Dimensions: sheet: 25.2 x 21.2 cm (9 15/16 x 8 3/8 in.). Medium: graphite on wove paper, pen and black ink over graphite. Collection: National Gallery of Art. Ludwig Emil Grimm, The Artist's Brother-in-Law, Ludwig Hassenpflug, Preparing to Play the Piano, 1826, NGA 139890