This is an early 19th century volume that was published in 1835 in Brussels, Belgium by Louis Hauman. In English, the French language title translates to
Memoirs of the Duchess of Abrantes, or historical memories of Napoleon, the Revolution, the Directory, the Consulate, the Empire and the Restoration. This was a multi-volume series that consisted of 20 books. Yours is Volume 17 only from the set of 20. Complete sets printed by the particular publisher retail for $340USD - $400USD or 255GBP - 300GBP for the entire set together. The estimate of value of yours is in GBP and based on being just the one book from the set.