Which which is the various historical …

The study of coins is known as numismatics. Coins form another source of historical information. Ancient coins were mostly made of gold, silver, copper or lead. Coin moulds of Kushan period made of burnt clay have been also discovered. Some of the coins contain religious and legendary symbols which throw light on the culture of that time. Coins also contain the figures of kings and gods.
Some contain names and dates of the rulers. Coins also throw significant light on economic life of ancient people. They indicate regarding trade and commerce and help to reconstruct the history of several ruling dynasties. Coins have been the primary source of our information regarding the various Indian states during the same period.
The coins of the Kushana and the Gupta period give interesting accounts of those days. They throw light on religious, political, economic and commercial conditions. Every coin of the past has some story to convey.