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'A Woodland Glade', from Constable's late period, estimated £8000.

Four previously unknown drawings by celebrated English artist John Constable have been found gathering dust in a cardboard box.

The small sketches belonged to the late playwright Christopher Fry and were found by his son Tam Fry while clearing out his father's home in West Sussex.

Mr Fry hung two of the pen and ink drawings on his bedroom wall either side of his bed for several decades.

The four small drawings have a combined vase of £25,000. They will be sold by Chiswick Auction in west London in March.