In 2012 to celebrate the Queen's Diamond Jubilee, the Royal Mint released a very Limited Issue Brilliant Uncirculated Diamond Jubilee £5 Five Pound Coin First Day Cover.

The reverse design depicts an early portrait of Queen Elizabeth II with foliage which is a specific reference to Queen Victoria the only other Monarch to achieve her Diamond Jubilee.
The obverse design depicts Queen Elizabeth II in the present wearing Garter Robes.
Both the reverse and obverse designs have been designed by Ian Rank Broadley FRBS.
Each First Day Cover has been individually numbered and includes 8 Official Queen's Diamond Jubilee Stamps.

• Limited Mintage of 18,948 Worldwide
• Finished to Royal Mint's Brilliant Uncirculated Quality
• Celebrating the Queens Diamond Jubilee
  
• Royal Mint First Day Cover