[Marechal Berthier] Autograph Subscription to a Letter, signed Berthier (see image),

Part of letter, 18.5 x 10, stained and grubby but text clear (see image), laid down on another piece of paper of the same size, as follows: Recevez, Monsieur le Comte, l'assurance de ma plus haute consideration | Le Prince de Wagram et de Neuchatel | Vice-connétable | Berthier ||