Watch List notes:

M. Baebius Q.f. Tampilus. 137 B.C. AE as (33.0 mm, 26.82 g, 11 h). Rome mint. Laureate head of Janus; above, I / ROMA in exergue, prow of galley right; above, TAMP monogram; in right field, I. Crawford 133/4; Sydenham 337. near Fine, black patina with earthen highlights. 

Ex RBW collection (not in previous sales).