Watch List notes:

Rostrum tridens (second) series. AE Semis, probably a late unofficial issue, after 82 BC. Obv. Laureate head of Saturn right; behind, S. Rev. Prow right; above, rostrum tridens; before, S; below, ROMA. Cf. Cr. 114/3. AE. g. 9.08 mm. 24.00 R. Rare. Of coarse style and light. Untouched earthen dark green patina. VF.