Watch List notes:

Q. Marcius Libo AR Denarius. Rome, 148 BC. Head of Roma right, wearing winged helmet; X below chin, LIBO behind / The Dioscuri on horseback right; Q•MARC below horses, ROMA in linear frame in exergue. Crawford 215/1; RSC Marcia 1. 3.57g, 18mm, 3h.

Very Fine. Slightly porous, scratch on cheek on obv. Well centred, with all details on the flan.