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

OBVERSE 

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

REVERSE

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