Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (18mm, 3.86 g, 8h). Rome mint. Laureate head of Apollo right; bow to left / Horseman, holding palm frond and reins, galloping right; XII below. Crawford 340/1; Sydenham 663; Calpurnia 11; RBW 1257 var. (controls). Iridescent toning, some light scratches and marks under tone. Good VF.