Watch List notes:

Britannia Gold Proof Set 1997 the 4-coin set comprising £100 One Ounce, £50 Half Ounce, £25 Quarter Ounce and £10 One Tenth Ounce S.PBG14 FDC retaining full mint brilliance, in the Royal Mint box of issue with certificate, only 892 sets issued

Estimate: 2000-2600 GBP