In 2009 to celebrate 200th Anniversary of the Birth of Charles Darwin and the 150th Anniversary of the publication of 'On the Origin of Species' ,the Royal Mint released a very Limited Issue Brilliant Uncirculated £2 Two Pound Coin First Day Cover.
The reverse designed by Susie Zamit features a profile portrait of Charles Darwin and a chimpanzee together with the denomination Two Pounds, the year dates 1809 and 2009 and Charles Darwin.