In the heart of the Marais area, between a courtyard and a garden, a fine private mansion presents an exceptional 18th century art collection: paintings by Boucher, Chardin and Fragonard, drawings by Watteau, sculptures and furniture, precious items (jewellery, snuff boxes, Dresden china, etc.). Atmosphere of a Parisian house of the 18th century. Collections bequeathed to the City of Paris by Ernest Cognacq and his wife, Louise Jay, founders of the Samaritaine department store. An exhibition titled Sérénissime ! Venise en fête, de Tiepolo à Guardi at the Musée Cognacq-Jay (until 25 June) depicts sumptuous festivities in the Italian city in times past through around 60 works by great masters of the Venetian school of art.