Britannia Gold Proof Set 2010 the four-coin set comprising £100 2010 Gold One Ounce, £50 2010 Gold Half Ounce, £25 2010 Gold Quarter Ounce and £10 Gold One Tenth Ounce S.PBG32, FDC in the Royal Mint box of issue, only the third such set we have offered, one of the others being in slabbed format