Terret (Rein Guide), 1?100, Celtic or Roman, Copper alloy, champlev? enamel, Overall: 3 1/8 x 4 x 1 1/4 in. (7.9 x 10.2 x 3.1 cm), Enamels-Champlev?, The Celts? use of chariots in warfare was legendary in the ancient world. This terret, made at the t