Watch List notes:

Fifty Pence 2009 250th Anniversary of Kew Gardens S.H19 Silver Proof FDC/nFDC in the Royal Mint box of issue with certificate, Royal Mint Year Sets (2) 1992 includes the Fifty Pence EU Presidency, 2009 includes the Kew Gardens Fifty Pence both UNC in the Royal Mint packs of issue, the 2009 still sealed

Estimate: 75-150 GBP