Collection 263/29: Mint and Coinage: Mint and Coinage: Silver refinery costs of Bombay mint; Johnson, Matthey and Company Limited also gold content of Indian rupee silver; also size and quality of Bombay refined bars.
Collection 263/35: Mint and Coinage: Mint and Coinage: Measures for combating the prevalency of counterfeit coin in India; increase in security and reduction of finances. Also currency crisis of 1940, issue of one Rupee notes and connected matters.
Collection 263/39: Mint and Coinage: Mint and Coinage: Conservation of tin. Reduction of the amount needed in the production of Imperial and Dominion bronze coins.