Coins minted in the Year 1864

What happended in 1864?
Monarch is Queen Victoria. Prime Minister is Henry John Temple, 3rd Viscount Palmerston (Liberal). US President is Abraham Lincoln (R-Illinois), who appoints Ulysses S. Grant commander in chief of all Union armies. The American Civil War (1861–1865) rages on. James Clerk Maxwell concludes that light is an electromagnetic wave. Overarm bowling is legalised in cricket as John Wisden publishes the first Cricketer's Almanac.
Obv Rev Cat Coin
  Sovereigns 1864 Gold Sovereign