Thrace, Byzantion AR Siglos or Drachm. Circa 340-320 BC. Bull standing to left atop dolphin; 'ΠΥ above / Quadripartite incuse square in the form of 'mill sail' device. Schönert-Geiss 1-325; HGC 3.2, 1389. 5.36g, 18mm.
Very Fine; banker's marks to rev.