Okla. Stat. tit. 21, § 21-1593: Falsely obtaining signature

Every person who, by any false representation, artifice or

deceit, procures from another his signature to any instrument, the

false making of which would be forgery, and which the party signing

would not have executed had he known the facts and effect of the

instrument, is guilty of forgery in the second degree, a Class D1

felony offense.