Hall-Mark
Defined in 1 dictionary — Bouvier (1914)
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
An official stamp affixed by the goldsmiths upon articles made of gold or silver as an evidence of genuineness, and hence used to signify any mark of genuineness. “The power of free alienation is j the ‘hall-mark’ of a fee-simple absolute.” Rand. Em. Dom; § 200.