Under Section-230 of the Indian Penal Code, 1860 which of the following is not or has not been a "Coin" :-
1
The coin denominated as the company's rupee
2
The Farrukhabad Rupee
3
A metal used for the time being as money and stamped and issued by the authority of some state or sovereign power.
4
Lumps of unstamped Metal used as money