Which of the following statement/s is/are correct?
1. Silver and copper metal coins were used in the 6th century BCE as an experiment.
2. Numismatics is the study of coins.
3. The first coins to bear the names and images of rulers were issued by the Indo-Greeks.
Which of the following statement/s is/are correct?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
All of the above