ATTICA, Athens. Circa 475-465 BC. AR tetradrachm (17,10 g). Head of Athena right, wearing crested Attic helmet ornamented with three olive leaves and spiral palmette, earring, and pearl necklace / ΑΘΕ, Owl standing right, head facing, with spread tail feathers; olive sprig and crescent to left; all within incuse square. Light die shift and small banker's mark on obverse. Lightly toned and with some remaining luster. Starr Group IV, unlisted dies, HGC 4, 1595, Ex Classical Numismatic Group, Electronic Auction 477, 23.10.2020, lot 87 Grade: 01