Watch List notes:

C. Antestius. 146 BC. AR Denarius (18mm, 3.63 g, 10h). Rome mint. Helmeted head of Roma right; X (mark of value) below chin / Dioscuri on horseback riding right; below, dog running right. Crawford 219/1e; Sydenham 411; Antestia 1. EF, toned, slightly ragged edge on flan.