Attica, Athens. ca.454-404 BC. AR Tetradrachm (23mm, 17.02g). Head of Athena right, wearing earring, necklace, and crested Attic helmet decorated with three olive leaves over visor and a spiral palmette on the bowl. / Owl standing right, head facing; olive sprig and berry in upper left field, AΘE to right; all within incuse square. Kroll 8; SNG Copenhagen 31; Dewing 1591-8.