In addition, two paintings hanging on either side of the Madonna had been cleaned 35 years ago, leaving the Rubens in the middle looking jaundiced. “It was obvious how yellow it looked.

As World War II drew to a close, a painting by Peter Paul Rubens was stolen from Friedenstein Castle, a Baroque palace in Gotha, Germany. Now, eight decades later, officials have successfully ...

The company, however, claims that its evaluation points to part of the work having been painted by Rubens. Carina Popovici, the chief executive of Zurich-based Art Recognition, presented her ...