Information about mint: India Government Mint, Mumbai (ex Bombay Mint)

The India Government Mint, Mumbai is one of the four mints in India and is situated in the city of Mumbai . The Mint was established in 1829 by the then governor of the Bombay Presidency. The main activity of the mint is in the production of commemorative and development-oriented coins. The mint is situated just opposite the Reserve Bank of India in the Fort area of South Mumbai.

Initially governed by the Governor of the Bombay Presidency, it was transferred to the Government of India on 18 May 1876 through a Finance Department Resolution 247. In 1918, a branch of the Royal Mint of London was set up to issue British sovereigns. In April 1919, after manufacturing 12.95 lakh (1.295 million) coins, it was shut down.

Besides coins, the Mint also produces medals of various types, for Ministry of Defence, Ministry of Home Affairs, educational institutions, social service institutions, badges etc. It is also a centre for the issuance of gold ingots in exchange of unrefined gold tendered by licensed dealers. The institution also has a separate department that makes official weights and measures such as metric weights, capacity, and linear measures for state governments, laboratories and the Bureau of Indian Standards.

Dot before and after PENNY or HALF PENNY on the reverse of Australian One Penny and Half Penny coins of the "Commonwealth of Australia" type.

On trade coinage, the Bombay Mint had the letter B as mint mark.

Letter I, located:
- on the obverse of gold Sovereigns of the St George type: on the ground, below the horse's hoof and above the centre of the date