Anonymous series. AE Quadrans, c. 91 BC. Obv. Head of Hercules right, wearing lion's skin; behind, three pellets. Rev. ROMA. Prow right; below or before, three pellets. Cr. 339/4a or b. AE. 2.69 g. 18.00 mm. Brassy patina. VF. Classification of lightweight quadrantes of the first century BC is especially difficult, because they are the same weight as the lightweight quadrantes of the late third century BC and often found overstruck on Carthaginian types in Sardinia.