Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (18mm, 3.90 g, 8h). Rome mint. Laureate head of Apollo right; R to left, R below chin / Horseman galloping right, holding palm frond and reins; XVIIII below. Crawford 340/1; Sydenham 663e; Calpurnia 11. VF, some light toning.