Watch List notes:

L. Calpurnius Piso Frugi, Rome, 90 BC. AR Denarius (19mm, 3.82g, 7h). Laureate head of Apollo r.; control before. R/ Horseman galloping r., holding palm frond and reins; Q above. Crawford 340/1; cf. RBW 1259; RSC Calpurnia 11a. Flan-crack, VF; ;