The responsibility mark was the first mandatory precious metal products mark. Its history began in Finland in 1485, when the Swedish king issued a decree that the initials of the gold and silversmith be marked on their manufactured objects. In this way it was possible to ensure that the smiths did not make objects with low precious metal fineness.
Since 2001, all new registered responsibility marks have been combinations of letters. Even though new symbol marks can no longer be registered, the old ones may still be used.
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