British author regarded as first British detective story writer. ALS, one page both sides, 5.75 x 8.75, October 4, 1874. In part: 'I am away from London, at the seaside, and I will soon leave this place for France. I may have the pleasure of receiving you again my house. Gloucester Place, Portman Square will be forwarded to me wherever I may go.' In fine condition, with vertical fold through one letter of signature, small separation at top border. RRAuction COA.
