Watch List notes:

Anonymous. 169-158 BC. AR Denarius (18mm, 3.83 g, 12h). Rome mint. Helmeted head of Roma right; X (mark of value) behind / Dioscuri on horseback riding right; below, griffin leaping right. Crawford 182/1; Sydenham 283; RSC 20n. VF, toned, flan crack, slight edge cut.

From the Ken Bressett Collection. Ex Boston c. 1948 @ $8.