2003 Silver Proof 'Piedfort' 3-Coin Collection FDC. This collection contains an example of each of the United Kingdom Silver Proof Piedfort Coins issued in 2003: the £2 celebrating the 50th anniversary of the discovery of the structure of DNA, the £1 marking the 20th anniversary of the introduction of the first £1 coin in 1983, and the 50p which commemorating the 100th anniversary of the formation of the Women's Social and Political Union. GRADE: Silver 'Piedfort' Proof FDC boxed with Certificate.