This exceptional 5-ounce pure silver puzzle coin, enhanced with 24-carat gold-plated elements, pays tribute to the legendary works of Agatha Christie on the 50th anniversary of her passing. 

OBVERSE 

The obverse is composed of seven pieces, revealing symbols and clues inspired by her most famous novels, while an ingenious lenticular engraving creates a shadow effect that appears and disappears depending on the viewing angle.

REVERSE

In the center, the portrait of King Charles III. The background depicts the library.