Jean-François Janinet after Hubert Robert, ‘Colonnade et Jardins du Palais de Medici (Colonnade and Gardens of the Palazzo Medici)’, ca. 1776, National Gallery of Art, Washington, D.C.
plate: 29.2 x 24.5 cm (11 1/2 x 9 5/8 in.)  sheet: 37.5 x 29.3 cm (14 3/4 x 11 9/16 in.)