KASHI: Punchmarked series, ca. 525-465 BC, AR vimshatika (4.57g), Ra-897-902var, "comb" symbol twice on the obverse, each with what resembles a fish below, clear on both "combs", 5 banker's marks on reverse, including one that is probably a crab, VF, RR.
Estimate: 100-130 USD