Watch List notes:

ATTICA, Athens. Circa 500/490-485/0 BC. AR Tetradrachm (21mm, 17.47 g, 10h). Helmeted head of Athena right / Owl standing right, head facing; olive spray behind; all within incuse square. Seltman Group Gii; Asyut Group IVi; HGC 4, 1590. VF, struck with worn reverse die, light deposits on reverse.