Autograph Address Panel, cut from an envelope, addressed to ‘The Reverend Horace Waller, Clover near Chatham, England’ in Livingstone’s hand, and signed by him ‘Dr.L’ only in the lower left hand corner. 3 x 5 inches, lightly mounted on part of a Victorian album page. In good condition. Undated. An example of the handwriting of David Livingstone (1813-1873), missionary and explorer. Horace Waller (1833–1896) was an English anti-slavery activist, missionary and clergyman. He was known as a writer on Africa, evangelical Christian, close associate of David Livingstone and others involved in central and east African mission and exploration work, and advocate of British imperial expansion.