Watch List notes:

Britannia Platinum Proof Set 2007 the 20th Anniversary Collection a 4-coin set comprising £100 One Ounce, £50 Half Ounce, £25 Quarter Ounce and £10 One Tenth Ounce the £100 with a small tone spot, otherwise FDC in the black box of issue with certificate

Estimate: 1900-2200 GBP