(815 ILCS 330/6) (from Ch. 147, par. 50)
    Sec. 6. It shall be unlawful for any person to deface, mutilate, obscure, conceal, efface, cancel or remove any mark provided for by this act, or cause or permit the same to be done with intent to mislead, deceive or to violate any of the provisions of this act.
(Source: Laws 1917, p. 342.)