Weight in the Shape of a Byzantine Empress, 5th century, Byzantine, Copper alloy, filled with metal, 5 1/2 ? 2 11/16 ? 1 3/4 in., 3.5 lb. (13.9 ? 6.9 ? 4.5 cm, 1574g), Metalwork-Copper alloy, Portraits busts of Byzantine empresses were used for weigh