Son of the Empress Josephine and stepson (eventually adopted son) of Napoleon Bonaparte who later served as a French military officer. ALS signed “Eugene,” in French, one page, 5 x 8, April 16, 1820. A brief letter regarding a financial matter. In very good condition, with toning, small losses to corners, and small hole to blank portion, no faults affecting the text or signature. R&R COA.