Watch List notes:

L. Sempronius Pitio. 148 B.C. AE as (31.83 mm, 25.23 g, 5 h). Rome mint. laureate head of bearded Janus; I above / L SEMP / ROMA, prow of galley right; I to right. Crawford 216/2a; Sydenham 403. Fine. 

Ex RBW collection (not in previous sales); Ex RBS 59 1/29/04.