German police have recently recovered 1,500 mostly modernist works of art - including from artists such as Picasso, Chagall, and Matisse. The entire haul, estimated to be worth over €1 Billion, was discovered in the flat of a Munich resident late last year.
The art was originally confiscated by the Nazi's during the 1930's and 1940's. From there it ended up in the hands of art collector Hildebrand Gurlitt who upon his death passed on the trove of great works to his son Cornelius.