Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (19.5mm, 3.80 g, 2h). Rome mint. Laureate head of Apollo right; XXVII to left / Horseman, holding palm frond and reins, galloping right; XXXV above, Roma monogram below. Crawford 340/1; Sydenham 661; Calpurnia 12; RBW 1255 var. (control numbers). Lightly toned, a couple of minor die breaks and light scratches on reverse. Near EF.