Watch List notes:

L. Calpurnius Piso Frugi. AR Denarius, 90 BC. Obv. Laureate head of Apollo right; behind, mark of value; under chin, L. Rev. Horseman galloping right, holding palm; above, O; below, L. PISO FRVGI/ dot. Cr. 340/1; B. 11. AR. 3.79 g. 17.50 mm. RR. Rare couple of symbols. Cleaning marks. About EF.