Record of conviction.

On the trial of any cause in which the accused is charged with a second or subsequent offense, a duly authenticated copy of the former judgment in any court in which such conviction was had shall be competent evidence of such former conviction. [SS15, §2461-n; C24, 27, 31, 35, 39, § 1956; C46, 50, 54, 58, 62, 66, 71, §126.11; C73, 75, 77, 79, 81, §123.109 ]