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The English Royal Mint was responsible for the making of coins according to exact compositions, weights, dimensions and tolerances, usually determined by law. Minting in England was reorganised by King Edward I to facilitate a general recoinage in 1279. This established a unified system which was run from the Royal Mint in London by the Master and Warden of the Mint. There remained smaller mints in Canterbury and elsewhere until 1553, when English minting was concentrated into a single establishment in London. For several centuries control of policy relating to the coinage rested solely with the monarch, with Parliament finally gaining control following the Revolution of 1688. The Mint itself worked as an independent body until that date, when it came under the control of the Treasury.