Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (18.5mm, 4.32 g, 8h). Rome mint. Laureate head of Apollo right; three vertical pellets to left / Horseman galloping right, holding palm frond and reins; E above. Crawford 340/1; Sydenham 664e; Calpurnia 11. Good VF, lovely iridescent toning.