In 2018, to celebrate the 70th Birthday of Prince Charles, the Royal Mint released a very Limited Issue Prince Charles £25 Twenty Five Pound Platinum Proof Coin struck in solid fine .9995 Platinum weighing one quarter of an ounce of pure Platinum Certified Slabbed and Graded by PCGS as PR69 DCAM.
The reverse designed by Robert Elderton depicts a profile portrait of Prince Charles while the obverse features the Fifth Portrait of Queen Elizabeth II designed by Jody Clark.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.