The Affichemuseum, or Poster Museum, in Hoorn is part of a group of Poster Museums around the world. The museum has a large collection of posters, including theatre posters from the past 30 years, and festival posters dating back to 1948. The collection also includes publicity posters for major Dutch firms, and a number of works by famous postwar designers. The musem aims to chart the changes in art and society over the past few decades.