Greek BITHYNIA, Kios (Circa 350-300 BC) AR Half Siglos or Hemidrachm (8.8mm, 2.2g) Obv: KIA. Laureate head of Apollo right. Rev: ΠOΣEI / ΔΩNIOΣ. Prow of galley left, decorated with star. SNG Ashmolean 364–6; HGC 7, 553.