Watch List notes:

L. Calpurnius Piso Frugi. AR Denarius, 90 BC. Obv. Laureate head of Apollo right; behind, H; below chin, E. Rev. Horseman galloping right, holding palm-branch; below, L PISO FRVGI/K and dot. Cr. 340/1; Cf. Banti 89/12 (obv.) and 101/3 (rev.). AR. 3.50 g. 18.50 mm. Attractive grey toning. Traces of crystallization Good VF.