BERLIN - A German auction house said on Nov 17 that it had cancelled a planned auction of Nazi-era letters, postcards and other documents linked to the Holocaust following criticism from an organisation of Auschwitz concentration camp survivors. The auction, scheduled for Nov 17, had been set to offer letters written by Nazi camp prisoners to loved ones, files from Nazi Germany’s Gestapo secret police and other documents recounting Nazi persecution from 1933 to 1945. “We are aware that we made an incorrect decision in evaluating the consignment request and regret if we have hurt the feelings of relatives and...