You can easily figure out how rare a coin is, by checking its mintage figures. This relates to how many coins were produced by The Royal Mint< ...
The Sun
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The Bolton News via Yahoo
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Worcester News via Yahoo
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This Is Money
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Government-owned mint that produces coins for the United Kingdom
royalmint.com
The Royal Mint is the United Kingdom's official maker of British coins. It is currently located in Llantrisant, Wales, where it moved in 1968. Wikipedia