Dioscuri/Mercury series. AE Cast Triens, c. 275-270 BC. Obv. Thunderbolt; on either side, two pellets. Rev. Dolphin right; below, four pellets. Cr. 14/3; Vecchi ICC 27; HN Italy 270. 98.5 g. 48 mm. Brown patina with green spots. About VF/VF.