Watch List notes:

M. Servilius/L. Sentius. Hybrid (and fourrée?) AR Denarius, after 100 BC. Obv. Helmeted head of Roma right; behind, Φ (M. Servilius C.f., 100 BC). Rev. Jupiter in prancing biga right; below horses, uncertain letter (partially off flan); in exergue, L SENTI [C F] (L. Sentius C.f., 101 BC). Cf. Cr. 327/1 (obv. type) and 325/1b (rev. type). AR/AE?. g. 3.28 mm. 21.00 A very rare and interesting example. Broad flan. Brilliant and lightly toned, with golden hues. VF.