Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (18mm, 3.99 g, 10h). Rome mint. Laureate head of Apollo right; upward trident to left, Π below chin / Horseman galloping right, holding palm frond and reins; horizontal trident above, H below. Crawford 340/1; Sydenham 669a; Calpurnia 11. Good VF, lightly toned, weakly struck in areas, reverse struck slightly off center.