Such a coin does not exist. The British One Pound coin was first issued in 1983.
There was no 1811 British Sovereign or One Pound coin minted.
There was no British 1901 Two Pound or Double Sovereign coin produced.
One pound. At current (October 2016) exchange rates that's about a buck and a quarter American.
There were no British Two Pound coins minted from 1888 to 1892 inclusive.
There was no 1977 British One Pound coin minted. The first general circulation One Pound coins was minted in 1983.
There was no 1891 British Two Pound coin issued.
Therre were no 1821 British Double Sovereign or Two Pound coins minted.
There was no 1886 British Two Pound coin minted. During the reign of Queen Victoria, they were only minted in 1887 and 1893.
The first gold Fifty Pound coin issued by the Royal Mint was in 1987.
Such a coin does not exist. George III was born in 1738 and was king from 1760 to 1820.
The Pound or Sovereign was not introduced into the British system of currency until 1817 when it replaced the Guinea, and the first Two Pound coin (Double Sovereigns) was minted in 1820.