Watch List notes:

ROMAN REPUBLIC. L. Calpurnius Piso Frugi. 90 BC. AR Denarius (3.94 gm; 18mm x 15mm). Rome mint. Laureate head of Apollo right / Horseman, holding palm frond and reins, on horse galloping right. Crawford-408/1a; Sydenham 663; Calpurina 24. Choice EF with some luster.