Watch List notes:

Anonymous [PT]. Ca. 169-158 B.C. Æ as (31 mm, 29.55 g, 4 h). Rome. Laureate head of Janus; above, I / ROMA in exergue, prow of galley right; above, PT or TP monogram; in right field, I. Crawford 177/1; Sydenham 353. Brown patina. Very fine.