The Kupferstichkabinett is a Berlin museum dedicated to printing and drawing. It is located in the Kulturenforum, a complex of cultural buildings in the city, and is one of the most important collections of graphic works in the world. The original nucleus of the collection dates back to the 17th century and consists of the graphic collection of the Great Elector (Prince Frederick William of Brandenburg). This was first opened to the public in 1831. It has around 2,000 engravings, over 550,000 prints and over 110,000 drawings, watercolors, pastels and oil sketches. In addition, there are illuminated manuscripts from the Middle Ages and the Renaissance, books with artist's graphics, portfolios, sketchbooks, topographical views and original matrices of prints. The collections of drawings and graphic works range from the Middle Ages to the present age. There are works by Botticelli, Dürer, Rembrandt, Watteau, Goya, Daumier, but also more recent artists, such as Kirchner, Much and Picasso.