Watch List notes:

ATTICA, Athens. Circa 500/490-485/0 BC. AR Tetradrachm (21mm, 16.82 g, 52h). Helmeted head of Athena right / Owl standing right, head facing; olive spray behind; all within incuse square. Seltman Groups M & G; Asyut Group IV; HGC 4, 1590. Near VF, struck with worn obverse die.