Watch List notes:

Matienus. 179-170 BC. AR Denarius (19mm, 3.84 g, 11h). MAT series. Rome mint. Helmeted head of Roma right; X (mark of value) behind / The Dioscuri, each holding spear, on horseback right; (MAT) monogram below horses. Crawford 162/2a; Sydenham 320; RSC 2; Type as RBW 710. Iridescently toned, graffiti in right obverse field. Good VF.

From the Andrew McCabe Collection. Ex RBW Collection Duplicate; purchased by him from Richard Schaefer, February 1988.