Watch List notes:

Britannia Gold Proof Set 1998 the 4-coin set comprising £100 One Ounce, £50 Half Ounce, £25 Quarter Ounce and £10 One Tenth Ounce, S.PBG15 a few tiny contact marks visible under strong magnification, otherwise FDC retaining full mint brilliance, in the Royal Mint box of issue with certificate, only 750 sets issued

Estimate: 2000-2600 GBP