Hallmarking
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Traces the history of hall-marking and the evolution of different marks. Hall-marks represent a guarantee of quality and are based on stringent tests. Shows modern gold and silverware being tested at the London Assay Office. The different stages in the analysis are seen in detail.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
Original permalink · Record added 2026-01-23 03:34:57