1¼ pages, folio, in a native secretarial hand, lightly browned. " /> [BURTON, Richard F. (1821-1890)] Letter signed by the acting civil surgeon at Aden ("D? K?"), to the acting political agent there, Aden, 22 April 1855. <I>1¼ pages, folio, in a native secretarial hand, lightly browned</I>. | Christie's