40004720, Marlborough, 317, Three-quarter back bust of Ariadne or a maenad, ivy-wreathed, dressed in an animal skin, a cloven foot and leg knotted at her shoulder., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), M132-1922, Cameo, Sardonyx