In 2009 to celebrate the 250th Anniversary of Kew Gardens and the 40th Anniversary of the first 50p coin, the Royal Mint released a very Limited Edition Kew Gardens 50p Fifty Pence Silver Proof Coin struck in solid .925 Sterling Silver Certified Slabbed and Graded by PCGS as PR69 DCAM.
The reverse designed by Christopher Le Burns features Kew's famous Chinese Pagoda while t he obverse design depicts the stunning portrait of Queen Elizabeth II by Ian Rank Broadley .