Related Clues:
- Distinguishing trait
- Boundary
- Official stamp
- Distinguishing feature
- Figure in a math function
- Distinguishing characteristic
- Distinctive attribute
- Program variable
- Standard sign for silver
- Goldsmith's stamp
- Stamp indicating standard of gold etc
- Distinguishing characteristic - indicates standard of gold, silver etc.
- It indicates the standard of precious metals
- Assay-stamp
- He is sheepish in the saint - that's the limit!