Napoleon III Was Hosted at This London Mansion Listed for $18.6 Million

London’s Mayfair places a number of posh and historic residences on the map with ties to names like the Duke of Wellington and Prince Jefri Bolkiah of Brunei’s royal family. A Georgian townhouse that just came to market in the upscale district for £14,950,000 (or $18.6 million) via Beauchamp Estates also allows you to soak up some history and hunker down in the same quarters visited by French Emperor Napoleon III, Prime Minister Edward Smith-Stanley, and author Charles Dickens for…