Denarius of M. Aurelius Cotta, Rome

Obv.: Helmeted head of Roma r.; below chin, COTA; behind, mark of value (X). Border of dots. Rev.: Hercules in biga of centaurs r., holding reins in l. hand and club in r. hand; centaurs each carry branch in l. hand; below, M.AVRELI (AVR in ligature); in exergue, ROMA. Line border.