Watch List notes:

BITHYNIA. Kalchedon. Circa 367/6-340 BC. Tetradrachm (Silver, 22 mm, 15.13 g), Rhodian standard. KAΛX Bull standing left on grain ear; to left, [kerykeon] and monogram of ΔΑ. Rev. Quadripartite incuse square with stippled quarters. HGC 7, 509. RG 14. SNG BM Black Sea 93. Struck from a somewhat worn obverse die, otherwise, very fine.


From a European collection, formed before 2005.