Watch List notes:

Imitating Saxula. Ca. 169-158 B.C. AE as (34.63 mm, 18.96 g, 9 h). Uncial standard. Rome mint. Laurete head of Janus, I above / C·SAX / ROMA, prow of galley left; I to right. Cf. Crawford 173/1; Cf. Sydenham 360. Near EF. 

Ex RBW collection (not in previous sales).