Copies of wills in Secretary of State's office

Copies of wills filed or recorded in the office of the Secretary of State, attested by the Secretary, may be given in evidence in any court, and shall be taken as sufficient proof of the devise of real estate, and are declared good and effectual to pass the estate therein devised: Provided, that no such will may be given in evidence in any court nor taken as sufficient proof of the devise unless a certificate of probate appear thereon.