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| The British Government checks all precious metals to confirm the quality. |  | | The marks that are used inform you of the gold purity - 375 for 9 carat gold and 750 for 18 carat gold. |  | | The letter corresponds to the year of manufacture. |  | | The rose is for the Sheffield Assay Office. |  | | CYM is our makers mark - Cymru-Y Metel. |  | | Each of our designs are stamped for us by the Assay Office with the Welsh Dragon Mark to denote the use of rare Welsh Gold in our alloys. |
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