Italian police stand next to the masterpiece by Austrian artist Gustav Klimt.

Gustav Klimt theft: police question gallery owner's widow...read more

Portrait of a Lady, valued at €60m, was was painted between 1916 and 1917 by the Austrian art nouveau master. The painting went missing during preparations for an exhibition in Piacenza aimed at showing it off, after the revelation that it was the only “double” Klimt known to the art world.