Watch List notes:

M. Sergius Silus. AR Denarius, 116 or 115 BC. Obv: Rev: H Cr. 286/1; B. (Sergia) 1. Obv. Helmeted head of Roma right; behind, ROMA and barred X; on right, EX·S·C. Rev. Horseman galloping left, holding sword and severed head; below, Q/ M·SERGI; in exergue, SILVS. Cr. 286/1; B. (Sergia) 1. AR. 3.93 g. 18.50 mm. Sound metal and full weight. A superb example, with underlying luster and iridescent hues. From a masterly engraved but slightly worn reverse die, otherwise. EF/About EF.