Watch List notes:

ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (24mm, 17.07 g, 7h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Kroll 8; HGC 4, 1597. VF, lightly toned, slightly off center on reverse. Well centered obverse, showing most of crest.

From the B. H. Webb Collection. Ex Classical Numismatic Group Electronic Auction 185 (2 April 2008), lot 64.