Bithynia, Kios, AR Hemidrachm. (Silver, 2.32 g 13mm), ca 345-315 BC. Proxenos, magistrate. Obv: Laureate head of Apollo right. Rev: ΠPOΞ / ENOΣ, Prow of galley left, decorated with star. Ref: SNG Ashmolean 360-1; HGC 7, 553.