Coins minted in the Year 1823

What happended in 1823?
The Monarch is George IV. Prime Minister is Robert Jenkinson, 2nd Earl of Liverpool (Tory).
The US President is James Monroe (DR-Virginia) who gives his famous Monroe Doctrine speech outlining a new policy forbidding European interference in the Americas and setting American neutrality for any future European conflicts. The Royal Academy of Music opens. Charles Macintosh patents his famous waterproof coat. By popular legend, William Webb Ellis invents rugby. The Oxford Union (Oxford United Debating Society) is established.
Obv Rev Cat Coin
  Farthings 1823 Farthing - George IV
  Gold 2 Pound Coins 1823 Gold 2 Pound Coin
  Sovereigns 1823 Gold Sovereign