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Special Marks in Indian Coins for Identify its Mint

Each currency coin minted in India has a special mint mark on it to identify the Mint.

Mumbai Mint : 

Mumbai Mint has a small dot or a diamond under the date of the coin (year of issue). The Proof coins from this mint have a mint mark ‘B’ or ‘M’.

Calcutta Mint : 

Calcutta mint has no mark under the date of the coin (year of issue). Many people confuse “c” found under some coins to be from calcutta mint. However, that symbol belongs to the Ottawa mint in Canada.

Hyderabad Mint : 

Hyderabad Mint has a star or a diamond under the date of the coin (year of the issue). The other mint marks from Hyderabad include a split diamond, and a dot in the diamond.

Noida Mint :

Noida mint has a dot under the year of issue (coin date).

INDIA