A Nazi-looted painting, Egon Schiele's 'Portrait of Wally,' was discovered in the Museum of Modern Art in 1997, sparking a landmark court case involving the Manhattan District Attorney, US Government, and the heirs of a Viennese gallery owner against an Austrian Museum and MoMA.
Portrait of Wally
The discovery of Egon Schiele's "Portrait of Wally" at the Museum of Modern Art in 1997 sparked a major court battle between the Manhattan District Attorney and the US government.