Fans of Agatha Christie to find a diamond which is estimated at Rp 255 million.
A fan of Agatha Christie, who bought a crate belonging to the novelist and her family find jewelry, will auction the diamond was found.
Jennifer Grant bought a crate-with a box in it-in 2006 through a sale at the author's former home in Devon, England.
Just four years later her opened the box and found a brooch and a diamond ring in it.
Jennifer from Nutley, East Sussex, will be auctioning off the jewels at Bonham's auction house and is expected to earn £ 13.000 or Rp255 million.
Travel crate Agatha Christie's mother was part of the goods sold from the former residence of the mystery story writers.
Jennifer bought a crate for £ 100 and when the goods arrived, her found a locked metal box in it attached to the crate base.
She said, "The strong box made into a heavy crate, because that stuff is sitting under the stairs for years.
"I almost do not want to open it because they do not want the mystery uncovered."