Watch List notes:

One Pound 2010-2011 Gold Proofs a 4-coin set comprising 2010 London S.J28, 2010 Belfast S.J29, 2011 Edinburgh S.J30, and 2011 Cardiff S.J31 nFDC-FDC the Cardiff and Edinburgh coins with the slightest hint of toning, in the Royal Mint box of issue with certificate

Estimate: 3000-4000 GBP