[ Pierre, Duc de Penthièvre. ] Autograph Letter Signed ('Duke de Penthièvre'), in English, expressing his condolences to an unnamed recipient. on his 'untimely loss'

1p., 12mo. In good condition, on lightly-aged paper. The letter reads: 'My dear Sir, | Only one Word to let you know how deeply I feel your untimely loss and to ask you to be by Mrs. Lewis, her daughter and all your people the interpreter of all my sincerest sentiments of regret. | Yrs. truly | Duke de Penthièvre'.