Commemorating the 100th anniversary of Agatha Christie's 'Murder Mysteries.' Her first novel The Mysterious Affair at Styles was published in 1920 featuring detective Hercule Poirot. She wrote over 60 detective novels and became known as the 'Queen of Crime' in the literary world. 
 
*This coin has not entered general circulation*
 
Obverse: Jody Clark portrait
Reverse: depicting a puzzle, with the final piece, not yet fitted and containing a question mark. The other pieces include images of various murder weapons from her books (designed David Lawrence).