Watch List notes:

C. Sax. Ca. 169-158 B.C. AE as (33.3 mm, 25.39 g, 9 h). Central Italian mint. Laurete head of Janus, I above / ROMA, prow of galley right, C·SAX above; I to right. Crawford 180/1; Sydenham 361. Fair, rough. 

Ex RBW collection (not in previous sales).