Watch List notes:

ROMAN REPUBLIC: Q Marcius Libo, AR denarius (3.77g), Rome, Crawford-215/1; Sydenham-395, struck 148 BC, helmeted head of Roma right, LIBO behind, X (mark of value) under chin // Dioscuri riding right, Q. MARC below, ROMA, Fine to VF.

Estimate: 50-75 USD