Proof Sets Standard Sets (8) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, the Twenty Pence in the 2000 set appears to have a 'satin' finish to the obverse fields, in contrast to the other coins in the set nFDC to FDC in the boxes of issue, one or two coins with very light toning, Two Pounds 2002 Commonwealth Games a 4-coin set in Cupro-Nickel/Nickel-Brass FDC in the box of issue
Estimate: 150-200 GBP