Steelyard Weight with the Bust of Athena, 5th?7th century, Byzantine, Copper alloy, 2 3/16 ? 7/8 ? 13/16 in., 1.6oz. (5.5 ? 2.2 ? 2 cm, 45g), Metalwork-Copper alloy, Athena, the ancient Greek goddess of wisdom, could often be seen on steelyard weight