Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (17.5mm, 3.99 g, 8h). Rome mint. Laureate head of Apollo right; mark of value to left; L below chin / Horseman galloping right, holding palm frond and reins; uncertain letter (E?) above. Crawford 340/1; Sydenham 671; Calpurnia 11a. Lightly toned, a few light marks and scratches. VF.

Ex Classical Numismatic Group Electronic Auction 68 (9 July 2003), lot 216.