Bithynia, Kalchedon AR Drachm. Circa 367-340 BC. Rhodian standard. Bull standing to left on grain ear; KAΛ[X] above, kerykeion and ΔA monogram to left / Quadripartite incuse square. HGC 7, 511; SNG BM Black Sea 104; SNG von Aulock 487-488. 3.73g, 14mm.
Good Very Fine.
From the inventory of a European dealer.