Coin depicted roughly twice actual size*

Siglos of Thrace, Byzantion

Silver siglos, 17mm, 5.27gm, issued 340-320 BC

Obv: ΠY, Cow standing left on dolphin.

Rev: Quadripartite incuse square, mill sail pattern.

References: Sear 1579, SNG Cop 476, HGC 1389.