Watch List notes:

Roman Republic. Q. Marcius Libo 148BC. AR Denarius. Rome mint. 20.0mm; 3.72g; 7h. A: Helmeted head of Roma right; X (mark of value) below chin, LIBO behind. R: Q• MARC | ROMA (in linear frame) The Dioscuri, each holding spear, on horseback galloping right. Crawford 215/1; Sydenham 395; Marcia 1. Very Fine

Estimate: 100 - 200 USD