The first Two Pound coin (gold), replacing the Two Guinea coin, was issued in 1820 featuring George III on the obverse and St. George and the Dragon on the reverse.
A British 1820 Two Pound coin (or Double Sovereign)(Pattern FDC)(Regnal date LX), uncirculated and in absolute mint condition could fetch up to £17,500 GBP.
A British 1820 Two Pound coin (or Double Sovereign)(Proof FDC)(Regnal date LX), is categorised as extremely rare.
Neither of these coins was released for general circulation.
The first general circulation Two Pound coins were issued in 1823 featuring George IV on the obverse and St. George and the Dragon on the reverse.
A British 1823 Two Pound coin (or Double Sovereign)(Proof FDC), uncirculated and in absolute mint condition could fetch up to £5,000 GBP.
A British 1823 Two Pound coin (or Double Sovereign)(Proof FDC - no JBM below truncation), is categorised as extremely rare.
A British 1823 Two Pound coin (or Double Sovereign)(Proof FDC - inscribed edge), uncirculated and in absolute mint condition could fetch up to £2,250 GBP. If it has been circulated but still in good condition, it might fetch anything from £700 to £1,350 GBP.
A reputable coin dealer will be able to give a more accurate valuation.
NOTE - The reverse of these coins is upside down to the obverse. This is normal.
There were no 1964 British Two Pound coins or Double Sovereigns minted.
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.
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.
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.
The Royal Mint produced no British Five Pound coins from 1938 to 1979 inclusive.
There were 20 shillings in one pound. It was replaced by the 5p coin.