Watch List notes:

L. Calpurnius Piso Frugi AR Denarius. Rome, 90 BC. Laureate head of Apollo to right; control mark behind / Horseman galloping to right, holding palm frond and reins; I above, L•PISO FRVGI and RA monogram in two lines below. Crawford 340/1; RSC Calpurnia 11. 3.93g, 19mm, 4h.

Good Very Fine.
From a private UK collection.