Watch List notes:

L. Calpurnius Piso Frugi. AE Semis, 90 BC. D/ Laureate head of Saturn right; behind, S. R/ Prow right; above, L. PISO. Cr. 340/5b. AE. g. 5.71 mm. 23.50 In excellent condition for issue. Superb dark green patina. Minor area of flat strike on obverse, otherwise good VF.