SAURASHTRA: Post-Mauryan, 2nd-1st century BC, AE square (3.73g), Pieper-433 (this piece), six-armed symbol on left, crude human on right holding taurine-topped standard, river below // frog, choice VF to EF, RR. Struck copper coins of Saurashtra are much rarer than the earlier punchmarked silver.
Estimate: 150-200 USD