(A) No person shall change, alter, remove or obliterate the name of the maker, model, manufacturer’s number or other mark of identification of any firearm.
(B) Possession of any firearm upon which any such mark shall have been changed, altered, removed or obliterated shall be prima facie evidence that the possessor has changed, altered, removed or obliterated the same.
(ILCS Ch. 720, Act 5, § 24-5) (Prior Code, § 137.04) Penalty, see § 137.99