Watch List notes:

L. Calpurnius Piso Frugi, 90 BC. Denarius (Silver, 19 mm, 3.91 g, 6 h), Rome. Laureate head of Apollo to right; behind, CVI. Rev. C PISO L FRV Horseman galloping right, holding palm-branch and reins; below, monogram. Babelon (Calpurnia) 24. Crawford 408/1b (O5/R2). Sydenham 851. An attractive, toned coin struck on a broad flan. Extremely fine.

From the Trausnitz Collection, ex Künker FPL 108, May 1994, 83.