Letter from Thomas Babington Macaulay of Holly Lodge, Kensington to Augustus De Morgan, 7 Nov 1857. Thanking him for a copy of his pamphlet [Answers to the questions communicated by Lord Overstone to the Decimal Coinage Commissioners; (London, 1857)]. 'I will frankly own to you that you seem to me greatly to overrate the advantages and greatly to underrate the inconveniences of the change which you recommend.

Autograph, with signature.