Two Autograph Letters Signed, to Thomas Winkworth at the Gresham Club, asking him to provide a testimonial for Levi’s application for a new professorship of Political Economy at King’s College. With Winkworth’s draft testimonial on the integral leaf. 3 pp. 7 x 4½ inches, in good condition, with an original envelope. 20 Thornhill Crescent, 25 June 1859. Leone Levi (1821–1888), jurist, political economist, and statistician, author of the History of British Commerce (1872).