Watch List notes:

M. Iunius Silanus. AR Denarius, 145 BC. Obv. Helmeted head of Roma right; below chin, X; behind, ass's head. Rev. The Dioscuri galloping right; below horses, M. IVNI; in exergue, ROMA. Cr. 220/1; B. 8. AR. 3.61 g. 18.75 mm. Light cabinet tone, minor flan crack. About EF/EF.