ROMAN REPUBLICAN. Cn. Lucretius Trio. 136 B.C. AR denarius. 3.94 gm. 18 mm. Rome mint. Helmeted head of Roma right; TRIO downward behind head, X (mark of value) below chin / The Dioscuri on horseback right, each holding spear; CN LVCR below, ROMA in exergue. Crawford 237/1a. Sydenham 450. RSC Lucretia 1. Mint State; light golden iridescence.