1. hallmarking - Noun
2. hallmarking - Verb
hallmarking
present participle and gerund of hallmark
hallmarking (plural hallmarkings)
The action of making a hallmark
If the work is to be of hallmarking quality, gold solder must match the carat weight of the work, and alloy formulas are manufactured in most industry-standard carat weights to color match yellow and white gold. Source: Internet
This was changed at the restoration of Charles II in 1660 so that the hallmarking year began on the King's birthday, 29 May. Source: Internet