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, FDC in the Royal Mint box of issue with all certificates, the box with some wear to the edges

Estimate: 5000-6000 GBP