Dolphin series.     AR Denarius, uncertain Campanian mint (Castra Claudiana?), 210 BC.   Obv.    Helmeted head of Roma right; behind, X.        Rev.   The Dioscuri galloping right; below, dolphin; in two-side frame, ROMA.     Cr. 80/1a.     4.02 g.   18.00 mm.        Brilliant and lightly toned.    Good VF.