40004868, Marlborough, 680, Cheiron is seated holding the young naked Achilles (dress at his back) standing before him, holding a lyre. Behind, a young satyr wearing an animal skin plays a pipe. Ground line. See also the next. The type is that of the Herculaneum painting; cf. LIMC Achilleus 50-62, including other gems., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), no. 680, Cornelian