1 page, 4to, integral address leaf, TWO IMPRESSIONS OF HIS PERSONAL SEALS IN RED WAX (two monograms; the initials "MF," the other unclear), seal hole in address leaf, in a silver frame with portrait." /> FARADAY, Michael (1791-1867). Autograph letter signed ("M. Faraday") to Reverend Dr. (William) Buckland (1784-1856), Royal Institution [London], 20 August 1831. <I>1 page, 4to, integral address leaf, </I>TWO IMPRESSIONS OF HIS PERSONAL SEALS IN RED WAX<I> (two monograms; the initials "MF," the other unclear), seal hole in address leaf, in a silver frame with portrait</I>. | Christie's