French politician (1619–1683) who served as the minister of finance under King Louis XIV. LS in French, signed “Colbert,” one page, 4.25 x 6.5, April 19, 1668. A significant letter on the opposition of the "Pairs" (the highest rank of French nobility) and the “Presidents à mortier," the principal magistrates of the highest juridical institutions). In very good condition, with moderate overall foxing. Accompanied by an unsigned engraved portrait of Colbert. RR Auction COA.