Ancient, Eran-Vidisha Region (300-200 BC), Copper Square Unit, 5.15 gms, Counter struck by City state Kuruparika, Obv: four punch marks consisting of an elephant at left, Horse at right, an Ujjaini symbol above and a river with fishes at bottom, Rev: a boat and an Ujjaini symbol, counter struck by Kuruparika,, Pieper #878, very fine, rare.