to put an official mark on an object made of gold or silver
Hallmarks
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a typical characteristic or feature of a person or thing:
Hallmarks meaning & definition 1 of Hallmarks.
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in the UK, an official mark put on objects made of gold or silver that shows their place and year of origin and how pure the metal is that is used to make them
Hallmarks meaning & definition 2 of Hallmarks.
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