Watch List notes:

Dolphin series. Unofficial issue (?). AE Semis, uncertain mint, c. 2nd century BC. D/ Laureate head of Saturn right; behind, S. R/ Prow right; above, S; before, dolphin swimming downwards; below, ROMA. Cr.-(cf. 80: Semis unlisted; and 160/2: dolphin above prow). AE. g. 8.96 RRR. Extremely rare. Untouched earthen dark green patina. VF.