Okla. Stat. tit. 21, § 21-1040.24: Presumptions

The possession of two or more of any single article that is

obscene material or child sexual abuse material, or the possession

of a combined total of any five articles that are obscene material

or child sexual abuse material (except the possession of them for

the purpose of return to the person from whom received) shall create

a presumption that they are intended for sale or commercial

distribution, exhibition or gift, but such presumption shall be

rebuttable. The burden of proof that their possession is for the

purpose of return to the person from whom received shall be on the

possessor.