Watch List notes:

Proof Set 2018 Silver Proof Piedfort Set a 5-coin set comprising Five Pound Crown 2018 George and Dragon - 5th Birthday of Prince George, Two Pounds (3) 2018 200th Anniversary of Mary Shelley's Frankenstein, 2018 100th Anniversary of the RAF, 2018 100th Anniversary of the First World War Armistice, and Fifty Pence 2018 Representation of the People Act, Silver Proof Piedforts, the Five Pound Crown only available as part of this set, S.PSS85, nFDC to FDC in the Royal Mint box of issue with certificate and booklet, only 338 sets issued

Estimate: 300-400 GBP