Attica. Athens circa 454-404 BC. Tetradrachm AR (21mm, 16.9 g). 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 crescent to left, AΘE to right; all within incuse square.