The same sculpture was copied by Robert in a drawing of the Antique Sculptures of the Capitol in the Musée de Valence, J. de Cayeux, Les Hubert Robert de la Collection Veyrenc au Musée de Valence, Valence, 1985, no. 29, illustrated. The sculpture, known as the Seated Agrippina, is in the Musei Capitolini, Rome, F. Haskell and N. Penny, Taste and the Antique, New Haven, 1981, no. 1, fig. 69