Watch List notes:

Britannia Silver Ten Pounds 2017 5oz. Silver Proof. Reverse: A modern interpretation of Britannia, her body merging with a map of the United Kingdom. The reverse with the Trident mintmark denoting the 20th Anniversary of the striking of the First Britannia Silver Coinage S.BSH5 FDC in the Royal Mint black box of issue with certificate and booklet

Estimate: 250-300 GBP