Watch List notes:

L. Sempronius Pitio. 148 B.C. Æ as (31.1 mm, 23.93 g, 4 h). Rome mint. PI-TIO above, laureate head of bearded Janus; I above / [L S]EMP / ROMA, prow of galley right; I to right. Crawford 216/2a; Sydenham 403. Fine, sandy patina.