DICKENS, Charles. Autograph letter signed ("Charles Dickens"), to Captain Charles Clements Brooks, Gads Hill Place, Rochester, Kent, 4 September 1869. 1 page, 8o, integral blank, with envelope addressed and signed by Dickens. "Let me assure you that I am exceedingly obliged to you for your kind note. I cannot have the pleasure of visiting Farnborough (for I do not intend reading anywhere out of London) and cannot therefore accept your offered hospitality but I beg you to accept my cordial thanks for your invitation."