Portrait of Gottfried Wilhelm Leibniz (1646-1716) Size:M: 60 x 40cm In the middle distance a

In the middle distance a variety of water vessels can be seen on the River Thames

Graham Hill's Lotus at speed

It is an appeal for precautions against forgery by the Bank of England

Copy belonging to Sir Joseph Banks (1743-1820)

Portrait of Gottfried Wilhelm Leibniz (1646-1716) Size:M: 60 x 40cm In the middle distance aHead and shoulders portrait of Leibniz, wearing a shoulder length wig, lace cravat. Inscribed: 'Dessin et Grav d'apres l'originale par Boutrois et Adam G. LEIBNIZ N en 1646 mort en 1716'. In pencil, lower left: 'El. 1673' Gottfried Wilhelm Leibniz was elected a Fellow of the Royal Society in 1673. Original: line engraving. 19th century