El Greco 's 'Portrait of a Gentleman' seized by Gestapo from Vienna in 1944 . Belonged to Jewish businessman Julius Priester , who fled country in 1938 . One of 50 works taken from the family collection by Nazis during the war . The painting was one of many confiscated and sold off after the end of World War II. But the dealer denied all knowledge - and was only rediscovered last year . The El Greco has now been returned to the family in its original frame .
El Greco 's 'Portrait of a Gentleman' seized by Gestapo from Vienna in 1944 . Belonged to Jewish businessman Julius Priester , who fled country in 1938 . One of 50 works taken from the family collection by Nazis during the war . Later revealed the painting had been sold to a New York art dealer in 1952 . But the dealer denied all knowledge - and was only rediscovered last year . The El Greco has now been returned to the family in its original frame .