Watch List notes:

L. Calpurnius Piso Frugi, Rome, 90 BC. AR Denarius (18mm, 3.90g, 9h). Laureate head of Apollo r.; trident behind, V before. R/ Horseman galloping r., holding palm frond and reins; above, caduceus l., G below. Crawford 340/1; cf. RBW 1262; RSC Calpurnia 11. Toned, scratch on rev., near VF
Estimate: 50 GBP