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A Cartier turquoise and diamond tiara owned by the first woman to take a seat in the House of Commons has been sold for £889,400.
American-born Nancy Astor was elected in 1919 to represent Plymouth Sutton in Parliament and held the seat until she stood down in 1945.
London Auctioneers Bonhams said it was the first time the tiara had been on the market since it was bought by her husband Lord Waldorf Astor in 1930.
The auction house said it was worn by Lady Astor to the film premiere of City Lights at the Dominion Theatre in London in 1931.
