Greek
THRACE, Byzantion (Circa 340-320 BC)
AR Siglos (17.3mm, 4.9g)
Obv: Persic standard. ΠY Bull standing left on dolphin left, right foreleg raised.
Rev: Quadripartite incuse square of mill sail pattern.
HGC 3.2, 1389. SNG BM Black Sea 21. SNG Copenhagen 475-7.