The sacrifice of Isaac by Abraham: deeply cut. Early Christian probably 4th century A.D. Sommerville terms the golden mount Merovingian. See Sommerville catalogue. Setting said to be Nerovingian of the VI or VII century stone. Sommerville gives a full history of the stone and comments by various savants when he exhibited it in Paris and Rome in 1881.
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. 663, no. 7, pl. 3
You may also be interested in these objects: