Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (19mm, 4.01 g, 6h). Rome mint. Laureate head of Apollo right; LXXXX to left / Horseman galloping right, holding palm frond and reins; CXII above, Roma monogram below. Crawford 340/1; Sydenham 661; Calpurnia 12c; RBW 1255 var. (control marks). Toned, underlying luster. VF.