With reference to the Gupta coins, which of the following statement is not correct?
1
The silver coin was called Rupaka based on Sakas of Ujjaini weighing 32-36 grains.
2
The Gupta gold coins are known as Dinars.
3
The gold coins of the Gupta rulers are extraordinary examples of artistic excellence.
4
The coins depicted the ruling monarch on the observes and carry legend with the map of Gupta empire on the reverse.