Both French governmental officials, Talleyrand was a highly skilled and influential diplomat (1754–1838), and Chaptal was a chemist and statesman (1756–1832). Ink signatures, “Ch. Mau. Talleyrand” and “Chaptal,” on an off-white 6.25 x 4.75 slip clipped from a larger manuscript document. In very good condition, with moderate scattered foxing and soiling. RR Auction COA.