E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Lac of Rupees.
The nominal value of the Indian rupee is 2s., and a lac means 100,000. At this estimate, a lac of rupees=200,000s. or £10,000. Its present value varies according to the market value of silver. In 1894 between 13 and 14 pence.