Sicily. Katane. AE Onkia, c. 415/3-403/2 BC. Obv. Head of the river god Amenanos left. Rev. Winged thunderbolt; pellet in upper left field. HGC 2 608; CNS III 2; Boehringer, Frühen, p. 158, a–k. 0.81 g. 10.50 mm. R. Choice example of this rare issue, in high state of preservation. Deep green patina. EF.