Watch List notes:

ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (23.5mm, 16.88 g, 4h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square; c/m: uncertain control mark within incuse square. Kroll 8; HGC 4, 1597. Near EF, bright surfaces, minor porosity. Well centered.