Greek
BITHYNIA. Kios. (Circa 350-300 BC). Persian standard, Proxenos, magistrate.
AR Hemidrachm (13.8mm 2.39g)
Obv: Laureate head of Apollo to right.
Rev: ΠΡΟΞ/ΕΝΟΣ Prow of galley to left; on fighting platform, star.
HGC 7, 553. SNG Copenhagen 373. SNG von Aulock 504