Watch List notes:

C. Antestius. 146 B.C. AE as (32.4 mm, 27.62 g, 4 h). Rome mint. Laureate head of Janus; I above / C·ANTESTI (monogram) / ROMA, prow of galley right; above, puppy above; I to right. Crawford 219/2; Sydenham 407. F/VF. Scarce. 

Ex RBW collection (not in previous sales).