"Marble, in the British Museum. The original of this fine head was once in the Giustinani collection, at Rome, and was brought at the sale of the Pourtales collection in 1865, by the British government for l2,000. It is attributed to the school of Lysippus." [P. 10.]
Catalogue of the Paintings, Statuary, Casts, Bronzes, &c. of the Corcoran Gallery of Art. Prepared by the Curator. Gibson Brothers, Printers.