Watch List notes:

Proof Set 2017 Silver Proof Piedfort Set a 5-coin set comprising Five Pound Crown 2017 Centenary of the House of Windsor, Five Pound Crown 2017 1000th Anniversary of the Coronation of King Canute, Two Pounds (2) 2017 World War I - The War in the Air, 2017 200th Anniversary of the Death of Jane Austin, Fifty Pence 2017 Sir Isaac Newton all Silver Proof Piedforts, S.PSS81, a hint of toning, otherwise FDC in the Royal Mint box of issue with certificate and booklet, only 363 sets issued

Estimate: 300-400 GBP