hallmarking authority
C50992
concept
A hallmarking authority is an official body responsible for testing and certifying the purity of precious metals and applying standardized marks to verify their authenticity and quality.
All labels observed (1)
| Label | Occurrences |
|---|---|
| hallmarking authority canonical | 1 |
Instances (1)
| Instance | Via concept surface |
|---|---|
| London Assay Office | — |