Watch List notes:

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

Estimate: 140-180 GBP