BITHYNIA. Kalchedon. Drachm (AR, 16 mm, 3.70 g) c. 367/6–340 BC. Rhodian standard.
ΚΑΛΧ Bull standing on grain ear left; in left field kerykeion and ΔA monogram. / Stippled quadripartite incuse square. SNG BM Black Sea 104. Struck slightly off center. Some horn silver deposits. Near extremely fine.