Tenth reigning Prince of Monaco and the tenth Duke of Valentinois from 10 September 1889 until his death. ALS in French, signed “Albert de Monaco,” one page, 4.5 x 7, Palais de Monaco letterhead, February 2, 1904. Letter to a colleague. In part: “I am very late to send you all my thanks. Here it is at last. [The book of] Aime Bonpland is now in my library.” In fine condition. RRAuction COA.
