THRACE. Byzantion. Circa 340-320 BC. Siglos (Silver, 20 mm, 5.39 g), 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. Lightly toned. The obverse struck slightly off center and with light scratches on the reverse, otherwise, good very fine.