Watch List notes:

Greek Asia. Bithynia, Calchedon. AR Siglos, c. 340-320 BC. KAΛ[Χ]. Bull standing left; below, grain ear; in left field, (bankers's ?) countermark (lyre ?). / Quadripartite square of mill-sail pattern. SNG von Aulock 482; SNG Cop. 348. AR. 5.20 g. 17.00 mm. Sound metal. Pleasant, brilliant and lightly toned. Good VF.