Watch List notes:

Britannia Gold Proof Set 1999 the 4-coin set comprising £100 One Ounce, £50 Half Ounce, £25 Quarter Ounce and £10 One Tenth Ounce, S.PBG16 FDC and with full mint lustre and brilliance, in the Royal Mint box of issue with certificate. Only 740 sets issued

Estimate: 1800-2600 GBP