Watch List notes:

AT or TA series. AE Semis, c. 169-158 BC. Obv. Laureate head of Saturn right; behind, S. Rev. Prow right; above, AT ligate and before, S. Below, ROMA. Cr. 192/2. AE. g. 15.14 mm. 27.00 RR. Very rare. Dark green patina. VF.