Rostrum tridens second series.     AR Denarius, uncertain mint (Capua or Roma), 204 BC.   Obv.    Helmeted head of Roma right; behind, X.        Rev.   The Dioscuri galloping right; below, rostrum tridens; in three sided frame, ROMA.     Cr. 114/1.     3.7 g.   18.5 mm.        Cleaned and brilliant, with bluish hues.    VF.