Watch List notes:

C. Antestius. 146 BC. AR Denarius (20mm, 4.01 g, 6h). Rome mint. Helmeted head of Roma right; X (mark of value) below chin / Dioscuri on horseback riding right; below, puppy right, with left foreleg raised. Crawford 219/1d; Sydenham 411; Antestia 1a; RBW 939 var. (puppy with both foreleg's raised). VF, toned.

From the Jonathan P. Rosen Collection.