Corinth. AR Stater, ca. 415-387 BC; 20mm, 8.46 g.

Pegasos flying left, koppa below
Head of Athena left, wearing Corinthian helmet, dolphin
swimming left above, S behind head.

Ravel 906; BMC 386; Calciati Pegasi 343. 

With permission of Art Coins Roma, Apr 2015.