Maastricht Exhibition and Fair opened art Tefaf 2010. The works of art valued at $ 4 billion among them - "Madonna and Child with John the Baptist ($ 15 million) brush Sandro Botticelli, and a portrait of George Washington, created by Gilbert Stuart ($ 7.5 million)
Exhibition Catalog -
http://www.tefaf.com/DesktopDefault.aspx?tabid=90