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The British decimal One Pound (nickel brass) coin was first issued in 1983. A gold One Pound coin was issued from about 1489 until 1604.
In British Decimal currency, the One Pound coin was first issued for general circulation in 1983. The British Two Pound coin was first issued in 1985 as a collectible gold coin. It was first issued as a nickel-brass Commemorative in 1986, and as general circulation coin in 1997.
You need to provide the year. Without knowing the year it is impossible to value your coin. Crowns (5 shilling) pieces were minted in several different years and have vastly different values depending on what year they were minted in.
The standard British decimal Two Pound commemorative coins issued from 1986 to 1996, are made from a nickel-brass alloy. The standard British decimal bimetal Two Pound general circulation coin issued from 1997 onwards, have a nickel-brass outer ring and cupro-nickel inner. No British decimal general circulation coin contains any precious metal. If you have a decimal Proof gold or silver coin, there will be a reference to the gold or silver content on the box it came in when you bought it, and a certificate of authenticity.
There has been a British Five Pound coin on and off since 1817. The British decimal Five Pound gold bullion coin was first issued in 1980 and the Five Pound "Crown" coin was first issued in 1990. The current British Five Pound "Crown" coin is intended to be a non-circulating legal tender commemorative coin. The Royal Mint has no current plans to produce a general circulation Five Pound coin in the foreseeable future.
There were 240 pre-decimal pennies in a pound.
In the British decimal currency, there are 100 pence in a Pound. In the British pre-decimal currency (pre-1971), there were 240 pence in a Pound.
The term "pound" to describe a British monetary value has been in use for hundreds of years, but there was no official coin or banknote to the value of "One Pound" and called "One Pound" issued until much more recently. The modern Sovereign (with a face value of a One Pound or 20 Shillings) was reintroduced into the British currency in 1817. The first British coin with a "Pound" denomination ascribed to it was the 1820 Five Pound gold coin. The Bank of England produced One Pound notes periodically from 1797 to 1821. The first official regular issue of British One Pound note, which was actually a Treasury Note, was first issued in 1914. The first British decimal One Pound coin was issued in 1983.
The Royal Mint issued no gold Two Pound coins from 1938 to 1952 inclusive.
The first Bank of England Twenty Pound note was issued in 1725. The first Bank of England decimal Twenty Pound note was issued in 1970.
The first British Fifty Pound note was issued in 1725.
Such a coin does not exist. The British One Pound coin was first issued in 1983.