Watch List notes:

Britannia Gold Proof Set 2013 the Five coin set comprising £100 Gold One Ounce, £50 Gold Half Ounce, £25 Gold Quarter Ounce, £10 Gold One Tenth Ounce and £1 Gold One Twentieth Ounce S.PBG39, the Gold £100 is the rare larger 38.61mm diameter coin and only issued to this size in this year. FDC in the Royal Mint box of issue with certificate and booklet, number 178 of just 250 sets issued

Estimate: 3200-3800 GBP