Any person who shall unlawfully place in or withdraw from the jury box any name or names of persons or destroy, conceal or remove such jury box or place on or erase from the jury roll the name of any person or destroy, mutilate, conceal or remove such jury roll shall be guilty of a felony and, upon conviction, shall be sentenced to the penitentiary or to hard labor for the county for not less than six months nor more than two years, such period to be fixed by the court.