Watch List notes:

BITHYNIA. Kalchedon. Circa 367/6-340 BC. Drachm (Silver, 14 mm, 3.85 g), Rhodian standard. KAΛX Bull standing left on grain ear; to left, kerykeion and bee. Rev. Quadripartite incuse square with stippled quarters. HGC 7, 511 var. RG 15. SNG BM Black Sea -. Some edge cracks and with minor marks, otherwise, very fine.