Carian Islands, Kos (c. 345-340 B.C.), Silver Didrachm. Magistrate Biton. Head of Herakles facing right, wearing a lion's skin, rev. veiled female head facing left, BITΩN behind, KΩION below, 6.98g., 12h (SNG von Aulock 24; SNG Keckman 289; SNG Copenhagen 621; BMC 22). Attractive iridescent cabinet toning, a little softly-struck on high point of reverse, otherwise extremely fine.