Punch-marked Coins, Bengal Area, 5th century BC, Silver, 1.76 g, ½ Karshapana, four symbol series with sun and six-armed symbols and a scorpion type symbol and the fourth comprises of an Open Cross, Mahasthanagadh type. Unifaced Very Fine+,Very Rare. For the detailed research on the coins refer article of Valdetaro in the JNSI.