Hallmarks
Author: Dean Turboh
Hallmarks
The fineness of the material, purity measured in parts per 1000.
Purity | Gold | Silver |
---|---|---|
375 | X | |
585 | X | |
750 | X | |
800 | X | |
916 | X | |
925 | X | |
958 | X | |
990 | X | |
999 | X | X |
References
- https://en.wikipedia.org/wiki/Hallmark