Hallmarking done at designated assay offices in the UK (as I’m in UK) that put in the code indicating the carat of gold and also silver. Hallmarking is the key to authenticating purity of gold.
Hallmarking done at designated assay offices in the UK (as I’m in UK) that put in the code indicating the carat of gold and also silver. Hallmarking is the key to authenticating purity of gold.
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