All deeds, conveyances, powers of attorney, or other instruments in writing under seal, purporting to convey any land, or any estate or interest therein, or whereby the same may be affected in law or equity, executed and acknowledged in conformity with the provisions of any law in force in this state, or in the district or territory of Louisiana, or in the territory of Missouri, at the time of its execution and acknowledgment, and which deed has been duly recorded in the proper office more than thirty years before March 28, 1874, shall, together with the certificate of acknowledgment or proof, be received in evidence in all the courts of this state without further proof of the execution thereof.