1819 Crown – George III -Following on from the New Coinage in 1816, Matthew Boulton and James Watt created steam-powered machines to produce good quality coins using silver content that was well below the face value of the coin. This design was minted 1818-1820 and is a large (37.6mm), attractive coin.
1831 Crown – William IV -The 1831 Crown of William IV is an outstanding coin, highly elaborate, very rare. You need £35,000-£50,000 at the lower end to get one. The Reverse was designed by WIlliam Wyon.