German historian (1822-1903), better known for his book about the fall of the house of the Stuart.

Set of 2 autograph letters in French (sold untranslated) signed by him, dated in 1864. One of the letters is 2-pages and the other is 4-pages, each page's size is 5.75 x 9 inches approximately, folds, minor stains, in very good condition.