Estimated at £12–18 million, a rare 1913 landscape by Gustav Klimt - looted in Vienna by Nazis or Soviets during the Second World War from the family of a Canadian man - fetched £58 million ($45.4 million), including buyer's premium, at a breathtaking £146.82 million (about $233 million) sale at Sotheby's London Wed. Under a settlement agreement, the descendent, a retired Montreal camera-shop manager, will receive an undisclosed share of the proceeds from the sale...