Maculated red Calcite. Cameo. (Unmounted). Laureate draped bust of Zeus facing slightly to right., carved in very high relief. From collection of Unnnutelli a celebrated Roman Advocate who had a fine cabinet.
[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.