In 2022 to celebrate the Queen's Platinum Jubilee, the Royal Mint released a very Limited Issue Brilliant Uncirculated Platinum Jubilee £5 Five Pound Coin First Day Cover.
The reverse design features a Royal Mantle as a surround as used on coinage of William IV with 1952 - 2022 while the the obverse design depicts Her Majesty Queen Elizabeth II on horseback reminiscent of previous jubilee designs.
Both the reverse and obverse designs have been designed by John Bergdahl.