Watch List notes:

BITHYNIA, Kalchedon. Circa 340-320 BC. AR Siglos (17mm, 5.33 g). Persic standard. Bull standing left on grain ear / Quadripartite incuse square of mill-sail pattern. Türkoğlu S02c; RG 8; HGC 7, 517. Good VF, toned, die break on reverse. Good metal.

From the Dr. Lawrence D. Sporty Collection. Ex CNG Inventory 734338 (April 2003).