Shield and MAE series. AE Semis, c. 189-180 BC. Obv. Laureate head of Saturn right; behind, S. Rev. Prow right; above, shield and MAE ligate; before, S; in exergue, ROMA. Cr. 143/2. B.(Maenia) 3. AE. g. 12.35 mm. 26.00 RR. Very rare. Earthen dark green patina. About VF.