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The guinea was an English gold coin issued between 1663 and 1813. It was initially valued at 20 shillings but was later fixed at 21 shillings in 1717. The name "guinea" originated from the region in Africa believed to be the source of the gold used to mint the coin. The guinea was part of the coinage system during the reign of Charles II and was struck using a new milling technique at the Tower Mint in London.12

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  1. guinea
  2. coin - Modern coinage

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