The contents of Agatha Christie's trunk, included a three stone brilliant-cut diamond ring and a diamond brooch in the shape of a buckle, will be auctioned by Bonhams London on 8 October 2014. Bids for the brooch will start at £6,000-8,000 and the ring at

The contents of Agatha Christie's trunk, included a three stone brilliant-cut diamond ring and a diamond brooch in the shape of a buckle, will be auctioned by Bonhams London on 8 October 2014. Bids for the brooch will start at £6,000-8,000 and the ring at £3,000-5,000.