Autograph Letter Signed ‘Marquis of Coigny’, to Daniel Giles at the Bank of England, discussing financial matters,including the sale of “my funds in the Irish 5 p.c.” In English. 1 page 9 x 7 inches, in good condition, with the integral address leaf. 12 Thayer Street, Manchester Square [London], 5 November 1798. François-Henri de Franquetot de Coigny, Duc de Coigny (1737 –1821), Marshal of France. Having fought at Hastenbeck and Minden, he transferred to the army of the Count of Clermont under whom he served in the battle of Krefeld. Promoted to Colonel General of the Dragoons in 1771, the following year he was appointed Governor of Cambrai. When the French Revolution broke out De Coigny decided to emigrate. In 1791 he joined the émigré army with whom he served against the French Republic during the early stages of the French Revolutionary Wars. He commanded the Maison du Roi until its disbandment in 1792, after which he was charged by the Count of Provence with several diplomatic missions. De Coigny entered Portuguese service thereafter and returned to France on Napoleon’s abdication.