ATTICA, Athens. Circa 500/490-485/0 BC. AR Tetradrachm (21.5mm, 17.21 g, 11h). Head of Athena right, wearing round earring and crested Attic helmet decorated with small spiral on the bowl / Owl standing right, head facing; olive sprig to left, AΘE to right; all within incuse square. Seltman Group M & G; Asyut Group IV; HGC 4, 1590. Good VF, lightly toned. Well centered and struck for issue.