BITHYNIA. Kios. Circa 350-300 BC. AR Hemidrachm. Head of Apollo right, wearing laurel wreath; KIA below / Prow of galley left, decorated with star; ΠPOΞ - ENOΣ above and below. RG 2; HGC 7, 553; SNG von Aulock 504; SNG Copenhagen 373.
Weight : 2.4 gr
Diameter : 13 mm