An antique engraving by Jos. Brown after E. Walker. Published by George Virtue, London, circa 1836-46 in Henry Thomas Ryall's "Portraits of Eminent Conservatives & Statesmen with Genealogical & Historical Memoirs". Henry Thomas Ryall (1811-1867) was an English line, stipple and mixed-method engraver and later used mixed mezzotint.
Approx 19cms by 23cms.
