Respuesta :

because more often than not, coins were used as a form of currency and currency can tell us alot about a society. 

Answer:

Coins are necessary because it tells about the past how the people engaged in economic activities as well in their society.  

Explanation:

Coins are one of the most important sources of information for archaeologists and historians to interpret history. Coins are often considered to be valuable sources of information, including rulers of that period and their empire positions. Coins inscriptions and designs are a unique source of learning about religions, political, and culture. The materials used for minting coins like copper, bronze, gold and silver help historians to differentiate the ages along with the wealth each of the empires and kingdoms possessed.