Attributed to Christian Kintzing, ‘Clavichord’, 1763, The Metropolitan Museum of Art

Neuwied, Germany; H. (of case, without lid): 4 in. (10.1 cm), D. (perpendicular to keyboard): 18 1/4 in. (46.3 cm)
http://www.metmuseum.org/art/collection/search/503271

Image rights: The Metropolitan Museum of Art (Purchase, The Crosby Brown Collection of Musical Instruments, by exchange; Rogers Fund; The Barrington Foundation Inc. Gift; Gifts of Risa and David Bernstein, Carroll C., Beverly and Garry S. Bratman, Miss Alice Getty, and Erica D. White, by exchange; and funds from various donors, by exchange, 1986), licensed under CC0 1.0 Universal