Watch List notes:

Five Pound Crowns a 4-coin set 2009-2012 Countdown to the London 2012 Olympics comprising 2009 3-Year Countdown S.4920 Silver Proof, 2010 2-Year Countdown S.4921 Silver Proof, 2011 1-Year Countdown S.4922 Silver Proof and 2012 London Olympic Games S.4923 Silver Proof nFDC to FDC each coin with the blue Olympic logo forming part of the reverse design, in the Royal Mint box of issue with certificates

Estimate: 140-180 GBP