Watch List notes:

Coin and Banknote Set Millennium 1999 comprising Five Pound Crown 1999 Gold Proof S.L7 FDC and Banknote Fifty Pounds Kentfield YR19 990432, C141 UNC in the limited black box of issue with certificate, Duggleby states that only 91 sets were sold

Estimate: 1300-2000 GBP