Bithynia. Kalchedon circa 323-281 BC.
Bronze Æ
17 mm, 5,22 g
Helmeted head of Athena left / KAΛX above bull standing left on grain ear.
very fine
SNG von Aulock 490; RecGen 24; Türkoglu: "The Civic Coinage of Calchedon" in "Proceedings of First International Congress Of The Anatolian Monetary History And Numismatics, 25-28 February 2013", B03.