Valued close to £500,000, a 20th-century masterpiece by Art Nouveau artist Edward Okuń was stolen from a Warsaw art gallery by Nazi troops towards the end of the war.
Over 500 works of art lost during WWII recovered by Poland over six years thefirstnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thefirstnews.com Daily Mail and Mail on Sunday newspapers.