A rare, rediscovered watercolor by JMW Turner could fetch a cool half-a-million when it hits the auction block at Christie’s New York next month. The foggy watercolor sketch of the Venetian ...

The painting turned out to be a watercolor by the English artist J.M.W. Turner. Born in 1775 ... would see the imaginative processes.” A portrait of art critic John Ruskin by Henry Sigismund ...