Watch List notes:

L. Calpurnius Piso Frugi. AR Denarius, 90 BC. Obv. Laureate head of Apollo right; below chin, N. Rev. Horseman galloping right, holding palm; above, human ear; below, L. PISO FRVGI/ROMA monogram. Cr. 340/1; B. 12. AR. 3.76 g. 19.00 mm. Perfectly centred, superb and lightly toned. About EF.