Fifty Pences (6) 1997 Britannia Reverse Silver Proof Piedfort, 1998 NHS 50th Anniversary Silver Proof Piedfort, 2000 150 Years of Public Libraries Silver Proof Piedfort, 2004 50th Anniversary of the First 4-minute mile, Silver Proof Piedfort, 2005 Samuel Johnson's Dictionary Silver Proof Piedfort, 2007 100 Years of Scouting Silver Proof Piedfort nFDC to FDC with some toning, in the Royal Mint boxes of issue with certificates