Rules
Firestain, porosity, contamination, mixed alloys, and misleading marks
Silver problems guide for diagnosing firestain, porosity, contaminated stock, mixed alloys, plated surfaces, and misleading marks before repair or remelting.
Section
Rules
Silver problems guide for diagnosing firestain, porosity, contaminated stock, mixed alloys, plated surfaces, and misleading marks before repair or remelting.
Rules
Buying real sterling silver online in the US means reading the mark and the listing. Here are the checks that separate sterling from plated metal.
Rules
Canadian silver hallmarking rules stem from the Precious Metals Marking Act, not UK or US assay law. Here is what makers may stamp and the risk of errors.
Rules
Selling silver jewellery in Canada regulations require federal quality marks and receipts, plus Competition Bureau and provincial permit rules.
Rules
Lead and nickel limits in silver jewelry in the US sit in three different places: CPSC rules for children, Proposition 65 for California, and ASTM F2999 for adults.
Rules
US silver hallmarking laws rest on the FTC Jewelry Guides, not a federal assay office. Learn what a compliant stamp carries and who enforces it.