Collection 263/22: Mint and Coinage: Mint and Coinage: Miscellaneaous questions relating to the Bombay Mint. Government of India's scheme for refining silver and the establishment of a refinery.
Collection 263/42: Mint and Coinage: Mint and Coinage: Introduction of nickel coinage in India in substitution for silver coinage including the Indian Coinage (amendment) Act of 1947 and the United Kingdom Coinage Act of 1946 (minting of cupro-nickel coins).
Collection 263/11: Mint and Coinage: Mint and Coinage: Miscellaneous questions relating to the assaying of Indian Pyx coins by His Majesty's Royal Mint.