Watch List notes:

ATTICA, Athens, (c.454-404 B.C.), silver tetradrachm, (17.12 g), obv. head of Athena to right wearing ivy crested helmet, eye front, rev. owl standing to right, head facing, olive twig and crescent behind, to right, **AQE, all in incuse square, (S.2526, BMC 62, SNG Cop 31, Kroll 8, SNG Gulbenkian 519-21). Lightly toned, struck on an irregular flan, extremely fine and scarce in this condition.

Ex Ancient Numismatic Enterprise with ticket.