The Maniac, Thomas Rowlandson, 17561827, British, 1787, Watercolor and graphite with pen and black ink on medium, moderately textured, cream laid paper, Mount: 7 13/16 x 8 13/16 inches (19.8 x 22.4 cm) and Sheet: 6 13/16 x 7 13/16 inches (17.3 x 19.8