Scope and Contents [Alexander, Viscount] Fincastle, St. Petersburg, to Mother [Susuan, daughter of Archibald, 9th Duke of Hamilton and wife of George, 5th Earl of Dunmore]. Re: he has been noticed by Mr [George] Canning and [Arthur Wellesley, 1st Duke of] Wellington; may go back to Berlin; presentation to the Emperor at the Imperial palace; death of the Emperor.