Corinth, AR drachm, 2.79 grams, 14.98 mm ca. 510 - 480 BC. 

Pegasus, bridled, with curled wing, flying right, koppa below.
Incuse square within which is a linear square, enclosing 
the head of Athena left of archaic style, wearing necklace 
and Corinthian helmet without crest.

BMC 90; Sear -.
Rare.

Courtesy of TimeLine Auctions (www.timelineauctions.com), July, 2012