40004559, Marlborough, 179, A naked Nereid holding a stylis seated on a Triton, wrapped around her, her hand at his neck. The Triton wears a horned-animal skin (a griffin?). A small naked boy 'with windblown hair' (Beazley) holds the Triton's tail., 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), 27.784, Clear chalcedony