Continental Greece. Thrace, Byzantion. AR Half Siglos, c. 387/6-340 BC. Obv. Heifer standing left; dolphin below. Rev. Quadripartite incuse square with mill-sail pattern. HGC 3 1390; Schönert-Geiss, Byzantion 256–590. 2.44 g. 13.00 mm. Lightly toned, underlying luster. Minor test-cut. Good VF.