Hallmark

A hallmark is an official mark or series of marks struck on items made of precious metals—platinum, gold, silver and in some nations, palladium. In a more general sense, the term hallmark can also be used to refer to any distinguishing characteristic or trait.

Read more about Hallmark:  General Overview, Modern Hallmarks, Methods of Assay

Famous quotes containing the word hallmark:

    Do you suppose that sacrifice is the hallmark of moral action?—Just stop to consider whether sacrifice is not involved in every action that is done with deliberation, the worst as well as the best.
    Friedrich Nietzsche (1844–1900)

    Infantilism is possibly the hallmark of our generation.
    John Wells (b. 1936)