Okla. Stat. tit. 58, § 58-265: Approval of contract by judge of district court -

Procedure - Limitation to two thirds of appraised value, exception

as to.

Any contract for the borrowing of money or the mortgaging or

pledging of the assets of the estate for any of the purposes stated

in Section 264 of this title must have the approval of the judge of

the district court having jurisdiction of the settlement of the

estate and the procedure therefor shall be the same procedure as

that provided for in Sections 385-b (as amended), 385-c, and 385-d

of this title, except that personal property may be mortgaged or

pledged as security for such indebtedness without limitation to two-

thirds (2/3) of the appraised value thereof.