Greek
THRACE, Byzantion (Circa 340-320 BC)
AR Hemidrachm. (12.6mm, 2.4g)
Obv: Bull walking to left atop dolphin; ΠΥ above
Rev: Quadripartite incuse square in the form of stippled 'mill sail' device.
SNG Stancomb 2, Schönert-Geiss 236-590; HGC 3.2, 1390.