Engraved portrait with facsimile signature of John Gibson Lockhart, from a picture in the possession of John Murray, Albermarle Street, and published by John Murray, 1870. The engraving is done by H. W. Pickersgill, R. A. In 1839, Dickens contributed articles to “The Examiner” entitled “Scott and his Publishers” and “Scott and his Publishers, Being a Reply to Mr. Lockhart’s Pamphlet, entitled ‘The Ballantyne Humbug Handled.’”