Watch List notes:

L. Calpurnius Piso Frugi. AR Denarius, 90 BC. Obv. Laureate head of Apollo right; behind, symbol (Babelon 360). Rev. Horseman galloping right, holding palm; below, L. PISO FRVGI / fractional. Cr. 340/1. B. 11. AR. g. 3.80 mm. 18.50 Rare. Brilliant and superb. EF.