Watch List notes:

Anonymous. AE Semis, c. 157-156 BC. Obv. Laureate head of Saturn right; behind, S. Rev. Prow right; above, S; below, ROMA. Cr. 197-198B/2 var. (S before prow). AE. 9.49 g. 24.00 mm. R. Rare and choice for issue. Lovely deep and slightly rough emerald green patina. VF.