Watch List notes:

Five Pound Crowns a 4-coin set Countdown to the London 2012 Olympic Games S.OGS9, comprising 2009 S.4920, 2010 S.4921, 2011 S.4922 and 2012 S.4923 all Gold Proofs with the blue Olympic logo, nFDC to FDC with a hint of toning, in the Royal Mint box of issue with all certificates

Estimate: 7200-7800 GBP