A Drawing Believed to Be the Final Nazi-Looted Artwork in the Gurlitt Collection Has Been Returned to Its Rightful Owners The provenance of some 1,000 artworks from the notorious collection still remain unknown. January 13, 2021 A restorer works on a masterpiece from the collection Cornelius Gurlitt. Photo by Fabrice Coffrini/AFP via Getty Images. Germany has restituted the 14th and what is believed to be final work of art from the notorious trove of Cornelius Gurlitt, whose art-dealer father, Hildebrand, worked with the Nazis beginning in 1938 to acquire works under duress from Jewish collectors. The latest artwork to be returned to the heirs of its rightful owner is a circa 1840 drawing by German artist Carl Spitzweg titled