Watch List notes:

Greek THRACE, Byzantion (Circa 340-320 BC) AR Siglos-Drachm (17,2 mm, 5,2 g). Obv: 'ΠΥ, bull standing left on dolphin left, right foreleg raised.
Rev: Quadripartite incuse square of mill sail pattern. SNG Copenhagen 475-7; HGC 3.2, 1389.