ATTICA, Athens. Circa 353-294 BC. AR Tetradrachm (20mm, 17.15 g, 8h). Helmeted head of Athena right, with profile eye and pi-style palmette / Owl standing right, head facing; olive spray and crescent to left. Bingen Pi Group uncertain; Kroll –; HGC 4, 1599. Faintly toned, oblong flan, off center. Good VF.