1820 Gold Sovereign Obverse 1820 Gold Sovereign - The 1820 Gold Sovereign was the last sovereign to be issued during the reign of King George III.
1820 Crown George III LX Edge Year Reverse 1820 Crown George III LX Edge Year - 1820 Crown George III LX Edge Year: This design was minted 1818-1820 ('Last' or 'New' coinage). Production used Matthew Boulton and James Watt created steam-powered machines.