|Origin:||Goldsmiths' Hall in London, England where gold and silver articles were tested and marked|
an idea, method, or quality that is typical of a particular person or thing
These hotels still offer the sort of service which were the hallmark of the grand days of travel.
The explosion had all the hallmarks of a terrorist attack.
Their performance did not bear the hallmark of European champions.
a mark put on silver, gold, or platinum that shows the quality of the metal, and where and when it was made