Gaetano Zompini after Giovanni Benedetto Castiglione, ‘Chiron Teaching Music to Achilles’, 1758, National Gallery of Art, Washington, D.C.
plate: 21.2 x 30.1 cm (8 3/8 x 11 7/8 in.)  sheet: 22.7 x 31.2 cm (8 15/16 x 12 5/16 in.)