Watch List notes:

BITHYNIA, Kalchedon. Circa 340-320 BC. AR Siglos (5.12 gm; 17 mm). Bull standing left above grain ear / Quadripartite granulated incuse "mill-sail". SNG BM Black Sea 112; SNG von Aulock 482. Well struck on a good metal. Choice EF.

Estimate: 300 USD