Fake or Fortune?

Constable (6x1)

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The team try to find out whether a beautiful English landscape is a work of national importance - a lost masterpiece by John Constable and quite possibly an alternative view of his greatest work, The Hay Wain. Now owned by a Gloucestershire businessman, the painting appears to have all the hallmarks of Constable's sketches - his more impressionistic, preparatory works. If genuine, it could be worth at least £2 million.