Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (18.5mm, 3.96 g, 6h). Rome mint. Laureate head of Apollo right; E to left, E to right / Horseman galloping right, holding palm frond and reins; M • below. Crawford 340/1; Sydenham 665a var. (same letters on obverse); Calpurnia 11. VF, toned.