BITHYNIA. Kalchedon. (Circa 340-320 BC).Trihemiobol.
Obv : Bull standing left, grain ear below.
Rev : KA.
Quadripartite incuse square of mill sail pattern.
SNG Black See 124-126; HGC 7, 519.
Condition : Good very fine.
Weight : 1.09 gr
Diameter : 10 mm