Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (20mm, 3.67 g, 9h). Rome mint. Laureate head of Apollo right; barley grain(?) to left / Horseman galloping right, holding palm frond and reins; XVI below. Crawford 340/1; Sydenham 663; Calpurnia 11; RBW 1257 var. (control symbol and number). Toned, light scratches and marks, minor flan crack. Good VF.