Okla. Stat. tit. 67, § 67-25: Prima facie evidence

In all causes in which any abstracts, copies, minutes and

extracts, or copies thereof, shall be received in evidence under any

of the provisions of this article, all deeds or other instruments of

writing appearing thereby to have been executed by any person, shall

be presumed to have been executed and acknowledged according to law;

and all sales under powers, and all judgments, decrees and legal

proceedings, and all sales thereunder shall be presumed to be

regular and correct, except as against the persons in this section

before mentioned, and any person alleging any defect or irregularity

in any such conveyance, acknowledgment, sale, judgment, decree or

legal proceeding shall be held bound to prove the same, and any deed

proved under the provisions of this article, purporting to be based

upon the execution of any power or upon a judgment or decree shall

be prima facie evidence of the existence of such power, judgment or

decree: Provided, that nothing herein contained shall impair the

effect of said destroyed record or notice.