Bithynia, Kios AR Hemidrachm (Silver, 1.24g, 12mm) 350-300 BC, Proxenos magistrate. Obv: Laureate head of Apollo right, KIA below. Rev: ΠΡΟΞ / ΕΝΟΣ. Prow of galley left, decorated with star Ref: SNG von Aulock 504, SNG Cop 373, HGC 7. 553