An heiress of Emilie Schindler, the wife of Oskar Schindler, is trying to prevent a copy of the famous list that saved the lives of 1,200 Jews from reaching the auction block.

Erika Rosenberg is working to stop an original copy of Schindler’s list from being auctioned off by U.S. memorabilia dealer Gary Zimet on his website, according to the British newspaper the Daily Mirror.

The London paper said Rosenberg, 60, of Buenos Aires, may file a lawsuit in an international court. According to reports, she wants the list to be displayed in a museum and she owns the copyright to the list.

Zimet claims on his website that the list belonged to the family of Itzhak Stern, Schindler’s accountant. Two other copies of the list are on display at Yad Vashem, the Holocaust memorial museum in Jerusalem, at the U.S. Holocaust Memorial Museum in Washington.

Emilie Schindler died childless in 2001 and named five heirs, including Rosenberg, the daughter of German Jews who fled to Argentina in 1940. — jta