In praotioe. That part of a legal instrument, as a commission, indict-ment, etc., whlch shows where, when, nnd by what authority it is taken, found, or executed. State v. Sutton, 5 N. C. 281; U. S. v. Beebe, 2 Dak. 292, 11 N. W. 505; State v. Jones, 9 N. J. Law, 365, 17 Am. Dec. 483
