Chagall and his works today
Today, a Chagall painting can sell for more than $6 million. His work is in the Paris Opera, the First National Bank Plaza of downtown Chicago, Illinois, the Metropolitan Opera, the cathedral of Metz, France, Notre-Dame de Reims, the Fraumünster Cathedral in Zürich, Switzerland, and the Church of St. Stephan in Mainz, Germany.
http://en.wikipedia.org/wiki/Marc_Chagall