Attica, Athens, AR tetradrachm, "owl," late mass coinage issue ca. 393-294 BC Kroll 15. 17.13 grams. Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Odd oblong shape with most of owl visible but Athena's face cut off; Fine. (Estimate: $300 - 450)