Watch List notes:

ATTICA, Athens. Circa 500/490-485/0 BC. AR Tetradrachm (22.5mm, 17.46 g, 10h). 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 Groups M & G; Asyut Group IV; HGC 4, 1590. Near EF. Beautifully centered and struck on a broad flan. Rare in this condition.