Watch List notes:

ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (21mm, 17.17 g, 9h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing, closed tail feathers; olive spray and crescent to left; all within incuse square. Kroll 8; HGC 4, 1597. Underlying luster. EF.