SPECIFICATIONS
1. Issuing Country India
2. Denomination 1 Rupee
3. Year 1840
4. Issuing Authority Mumbai Mint Calcutta Mint
5. Mintage 398,554,000
6. Composition Silver
7. Fineness 0.917
8. Weight 11.66 Grams( 0.3438 oz ASW)
9. Diameter 30.50mm
10. Coin Grading Service NGC
11. Grade MS 64
12. Certification Number 8240993-060