Continental Greece. Attica, Athens. AR Tetradrachm, c. 454-404 BC. Obv. 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. Rev. AΘE. Owl standing right, head facing, closed tail feathers; olive sprig and crescent to left; all within incuse square. HGC 4 1597; SNG Cop. 32. AR. 17.17 g. 24.00 mm. Delicate patina, undelying luster. About EF/EF.