AR Tetradrachm 440–404 BC, Attica, Illyria and Central Greece, ATHENS Head of Athena right wearing crested helmet ornamented with three olive-leaves. Rev. owl standing right of crescent and olive spray all within incuse.S. 2526; BMC 11.6217.19 g. Beautiful coin with well centered reverse. NGC MS Strike: 4 of 5, Surface: 4 of 5