Watch List notes:

L. Calpurnius Piso Caesoninus and Q. Servilius Caepio. Circa 100 BC. Æ Denarius Reverse Die (27x25x10mm, 35.93 g). Blank / Incuse design for reverse: Two quaestors seated left between two stalks of grain. Cf. Crawford 330/1a; cf. Sydenham 603; cf. Calpurnia 5 (all references for denarius). Dark brown and green patina, verdigris on edge, corrosion. Fair. Possible contemporary counterfeit die, circa 1st century BC to 1st century AD. Extremely rare.