Watch List notes:

Fifty Pence 2019 Sherlock Holmes - 160th Anniversary of the Birth of Sir Arthur Conan Doyle Gold Proof S.H52 FDC in the Royal Mint box of issue with certificate and booklet describing the thoughts of the designer and his link to the famous novels. Certificate number 081 of 600 issued with just 400 in this presentation format

Estimate: 750-850 GBP