Watch List notes:

The 2017 United Kingdom Gold Proof Set a 5-coin set S.PGC20, comprising Five Pound Crown 2017 Centenary of the House of Windsor S.L49, Five Pound Crown 2017 1000th Anniversary of the Coronation of King Canute S.L50, Two Pounds (2) 2017 World War I - The War in the Air S.K44, 2017 200th Anniversary of the Death of Jane Austen S.K45, Fifty Pence 2017 Isaac Newton S.H39 all Gold Proofs, FDC in the Royal Mint box of issue, a rare and desirable set, this being number 16 of only 100 sets produced

Estimate: 5500-6500 GBP