2019 Sherlock Holmes Gold Proof Fifty Pence Piece
Only 400 pieces were issued by the Royal Mint.
The coin was issued to celebrate the works of Sherlock Holmes.
The gold proof fifty pence piece is made of 22 carat gold, and weighs 15.5 grams.
The coin comes boxed with a certificate of authenticity.
Only 400 pieces have been issued by the Royal Mint.