Watch List notes:

ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (23.5mm, 16.89 g, 9h). 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, toned.

Ex Classical Numismatic Group Electronic Auction 226 (27 January 2010), lot 179.