Queen Elizabeth II. (1952 -) United Kingdom 1996 Silver Anniversary Collection with Certificate of authenticity No. 12485. This collection contains special silver Proof versions of circulating range of United Kingdom coins to celebrate the 25th Anniversary of Decimalisation. The coins are issued under the authorisation of Royal Proclamation and have been declared legal tender in the United Kingdom. A maximum of 15,000 UK Silver Anniversary Collections have been authorised for worldwide distribution. GRADE: Silver Proof FDC As issued with all paper work.