The Royal Mint produced 369,989,130 British One Penny coins in 1986.
There was no 1977 British One Pound coin minted. The first general circulation One Pound coins was minted in 1983.
There were were fewer 1987 Ten Pence coins minted.
Including the 1986 to 1996 commemorative Two Pound coins, the Royal Mint advises that 377,859,047 British Two Pound coins have been minted up to and including the 2008 issue.
The last British Florin minted for general circulation was minted in 1967.
None. There were 2,015 Isle of Man 1986 platinum Quarter Noble one fourth ounce Proof coins minted. There were 3,000 Isle of Man 1986 platinum Noble one ounce Proof coins minted.
The Royal Mint considered that there were sufficient coins in circulation already, so no 1986 general circulation 20 Pence coin was struck. There were Proof coins and Royal Mint sets produced containing a 1986 20 Pence coin.
There were no dollar coins minted in the U.S. in 1986.
$10 gold coins minted prior to 1933 are called "Eagles". Gold coins minted after 1986 are called "Gold American Eagle".
Silver Eagle coins were first minted in 1986 and are still in production today.
There were no copper 20 Pence coins minted, they are all made from a copper/nickel alloy giving them a silvery appearance. If your coin is copper coloured, it is either very seriously tarnished or somebody has plated it. Modified coins have no collector value.
There were sufficient 20 Pence coins in circulation already. Some 1986 20 pence coins were issued as part of Royal Mint sets, but these were Proof FDC coins not for general circulation.
All British coins minted from 1985 to 1997 use the Third Portrait of Queen Elizabeth II shown wearing a necklace, earings and a diadem. All British Two Pound coins minted from 1986 to 1996 were unimetallic (one colour) commemoratives. To correctly identify a coin for valuation, you would need to provide the country, year and denomination of the coin and any other distinctive features such as the nature of the commemoration.