Watch List notes:

GENS MATIENA. Denarius. (Ar. 2.92g / 18mm). 179-170 BC Rome. (FFC 902; Crawford 162 / 2a). Anv: Head of Rome to the right, behind X. Rev: The Dioscuri on horseback to the right, above stars, below legend: MAT, in exergue: ROMA. BC +.