Watch List notes:

BITHYNIA. Kalchedon. Circa 367/6-340 BC. Drachm (Silver, 14 mm, 3.79 g), Rhodian standard. KAΛX Bull standing left on grain ear; to left, kerykeion. Rev. Stippled quadripartite incuse square in mill-sail pattern. HGC 7, 511. SNG BM Black Sea 101-2. Very fine.