Watch List notes:

C. Antestius. 146 B.C. AE semis (24.5 mm, 12.76 g, 7 h). Rome mint. Laureate head of Saturn right; S behind / C·ANTESTI (monogram) / ROMA, prow of galley right; above, puppy above; S to right. Crawford 219/3; Sydenham 407a. aVF. Scarce. 

Ex RBW collection (not in previous sales).