 In the interior, Charles-Louis Clérisseau and Étienne de La Vallée Poussin executed the first decorative scheme in Europe to be inspired by the new archaeological discoveries at Pompeii and Herculanum.The painted "boiseries" were sold in 1850 and may be seen in part at the Victoria and Albert Museum in London.Up until the 19th century, the Hôtel housed the imperial Cercle, then the Cercle de l'Union artistique - the latter held some exhibitions by the Society of Watercolourists here in 1914.