40004818, Marlborough, 167, Head of Herakles (Lysippan)., Walters Art Museum, Baltimore, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), 42.1012, Cornelian, 2nd/1st cent. BC.

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