Chalcedony. Cameo. (Unmounted). Filleted bust of an elderly bearded type of the Vth B.C. facing to left. Two butterfly wings in the hair above the ear. Sommerville suggests Plato, but ancient gems occassionally show Dionysos-Sabsions with the attribute of the butterfly.
Bequest of Maxwell Sommerville
[Book] Sommerville, Maxwell. 1889. Catalogue Raisonne of the Sommerville Collection of Engraved Gems: A Descriptive List of Cameos, Intaglios, Seals, Rings, Amulets, Talismans, etc. Forming a Compend of Greek and Roman Mythology and Classical History. : Page/Fig./Plate: p. 680, no. 187
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