Watch List notes:

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.