A classic Agatha Christie short story, available individually for the first time as an ebook.Hercule Poirot and Captain Hastings are on holiday at the opulent Grand Metropolitan Hotel in Brighton, where they meet the wife of a wealthy stockbroker. As they discuss the jewels worn by Mrs Opalsen, the great detective relates his experiences in cases which have concerned some of the best-known jewels in the world. Excited by his anecdotes, the wealthy matron eagerly offers to show him a very expensive pearl necklace, but when she goes to retrieve it, she discovers that it has been stolen…