He left his personal effects with the auctioneer Theodor Fischer in Switzerland with the exception of pictures that he instructed were to be shipped to Brazil.
[1][2] Recently declassified American official records note a 1942 letter from Grauer to M.P.
Grauer informed Brandeis in the letter that he was managing an estate 800 kilomoteres north of São Paulo in a region that had been infiltrated by many Japanese.
[3] In 1998, more than 24 paintings looted from European Jews were discovered in a São Paulo art gallery that were traced to Grauer and before that Theodor Fischer.
[4] Fischer had been an important figure in the trading of art looted by the Nazis during the Second World War.