Attica, Athens. c.353-294 BC. AR Tetradrachm. Helmeted head of Athena right, with profile eye and pi-style palmette / Owl standing right, head facing; olive spray and crescent to left. HGC 4, 1599.
 
17.20g. 26mm
 
NGC Graded Choice XF, 4/5 strike, 3/5 surface, brushed.