Caspar van Wittel – private collection. Title: Tivoli. A View of the Waterfalls and the Villa of Maecenas. Date: c. 1718. Materials: oil on canvas. Dimensions: 74.3 x 98.9 cm. Auctioned by Sotheby’s in New York, on January 28, 2016. https://blouinartsalesindex.com/auctions/–6134649/-. I have changed the light and contrast of the original photo.