Watch List notes:

L. Calpurnius Piso Frugi, 90 BC. Denarius (Silver, 19mm, 4.01 g 3), Rome. Laureate head of Apollo to right; behind, O; before, R. Rev. L PISO FRVGI Horseman galloping right, holding palm frond and reins; above, I. Babelon (Calpurnia) 11. Crawford 340/1. Sydenham 665. A beautiful example struck on a full flan. Original mint luster and most attractive yellowish toning. Slight die rust on obverse, otherwise, extremely fine.