Okla. Stat. tit. 21, § 21-1562: Forgery of public securities

Every person who, with intent to defraud, forges, counterfeits,

or falsely alters:

1st. Any certificate or other public security, issued or

purporting to have been issued under the authority of this state, by

virtue of any law thereof, by which certificate or other public

security, the payment of any money absolutely or upon any

contingency is promised, or the receipt of any money or property

acknowledged; or

2nd. Any certificate of any share, right or interest in any

public stock created by virtue of any law of this state, issued or

purporting to have been issued by any public officer, or any other

evidence of any debt or liability, of the people of this State,

either absolute or contingent, issued or purporting to have been

issued by any public officer; or,

3rd. Any endorsement or other instrument transferring or

purporting to transfer the right or interest of any holder of any

such certificate, public security, certificate of stock, evidence of

debt or liability, or of any person entitled to such right or

interest;

is guilty of forgery in the first degree, a Class B3 felony offense.