An assay office is where precious metal is tested and stamped. Send it to the assay office.
British hallmarking is compulsory above a small weight and has run since 1300. An assay office mark tells you the metal, the maker, the office and the year.
1nounassay officeWhere precious metal is tested and stamped.
“The assay office rejected the whole batch as underweight in silver.”
assay office is an office.
Practised in Jewellery & Watches