These coins are still potentially in circulation so, unless they are part of a Proof or Uncirculated mint set or are individual Proof or Uncirculated coins and in absolute mint condition, they are worth One Pound.
A British 1989 nickel-brass One Pound coin (Elizabeth II)(Scottish design - Edge "NEMO ME IMPUNE LACESSIT"), uncirculated and in absolute mint condition could fetch up to £5 GBP.
A British 1989 nickel-brass One Pound coin (Elizabeth II)(Scottish design - Edge "NEMO ME IMPUNE LACESSIT") (Proof FDC), in absolute mint condition could fetch up to £6 GBP.
A British 1989 One Pound coin (Elizabeth II)(Scottish design - Edge "NEMO ME IMPUNE LACESSIT")(Proof in silver FDC), in absolute mint condition could fetch up to £26 GBP.
A British 1989 One Pound coin (Elizabeth II)(Scottish design - Edge "NEMO ME IMPUNE LACESSIT")(Proof piedfort in silver FDC), in absolute mint condition could fetch up to £45 GBP.
The values quoted are the best possible for the best specimens in their grades, but may be significantly lower due to varying demand for the coin and the prevailing economic climate. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
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.
Please check your coin. You possibly refer to the 1986 commemorative Two Pound coin.
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.
Please ask one question at a time in the format - "What is the value of a 1983 British One Pound coin?" These coins are still potentially in circulation so, unless they are part of a Proof or uncirculated mint set or are individual Proof or uncirculated coins and in absolute mint condition, they are worth One Pound.