BITHYNIA. Kalchedon. Tetradrachm (Circa 387/6-340 BC).

Obv: KAΛΧ.
Bull standing left on grain ear; monogram to left.
Rev: Stippled quadripartite incuse square.

SNG BM Black Sea 93-9 var. (monogram); HGC 7, 509.

Condition: Very fine.

Weight: 15.16 g.
Diameter: 24 mm.