Assay office
Assay offices are institutions set up to assay (test the purity of) precious metals. This is often done to protect consumers from buying fake items.
Assay offices are institutions set up to assay (test the purity of) precious metals. This is often done to protect consumers from buying fake items.
Assay offices are institutions set up to assay (test the purity of) precious metals. This is often done to protect consumers from buying fake items.
Source: Wikipedia "Assay office" · CC BY-SA 4.0
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