2004 2005 2006 2007. Sterling Silver Proof – Boxed – Mint Condition. Certificate of Authenticity from The Royal Mint. Each one is 0.925 Silver – Weight 9.5g – Diameter 22.5mm. Grab a Great Bargain Today. We have many other coins and banknotes for sale. Grab a real genuine bargain – you will not be disappointed! […]