In 2007 to celebrate the Diamond Wedding of Elizabeth II and Prince Philip, the Royal Mint released a very Limited Issue Diamond Wedding £5 Five Pound Silver Proof Coin struck in solid .925 Sterling Silver Certified Slabbed and Graded by PCGS as PR69 DCAM.
The reverse design is the rose window of Westminster Abbey designed by Emma Noble and the obverse is a conjoint portrait of Queen Elizabeth and Prince Philip by Ian Rank Broadley.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.