40005158, Marlborough, 622, A copy of the head of the Eros Centocello in the Vatican. Signed MARCHANT F., Museum of Fine Arts, Boston, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), 99.116, Cameo, Chalcedony