The recent discovery of an art forger's workshop reminds us of the long history of fraudulent artworks – here are the simple rules to work them out. Contributed by John Goodrich / Hindsight, of course ...

How did André Derain, Maurice de Vlaminck, Andre Dunoyer de Segonzac and Henri Matisse fare in Paris during the Nazi occupation 1940-44? Given that their Fauve works in German museums had been seized ...

The total value of an artist’s artworks sold at auction over a specific period. This metric reflects the artist’s overall market activity and demand in monetary terms. The middle value of all realized ...