Question

study a present day coin and make a list of all information you can gather from it compare this with the ones dating to your grandparents'time

Answer 1

the study of coins is known as mumismatics -
we can  know the time period 
the material available in that period
the trade relation
and the important
symbols of that period

Answer 2

Answer:

• Current coins are light in weight as compared to old coins which were made up of heavy metals.
• modern coins are made up of stainless steel while old coins were made up of expensive metal like gold, silver and copper.
• The worth of old coins was greater than the modern coins.
• In old coins, there were images of creatures, plants, and Lakshmi. Modern coins have images of Mahatma Gandhi, Indra Gandhi, and Jawaharlal Nehru.