Okla. Stat. tit. 62, § 62-601: Definitions

As used in this act:

(a) "Public security" means a bond, note, certificate of

indebtedness or other obligation for the payment of money, issued by

this state or by any of its departments, agencies, or other

instrumentalities or by any of its political subdivisions or

districts.

(b) "Authorized officer" means any official of this state or of

any of its departments, agencies, or other instrumentalities or

districts whose signature to a public security, or certificate

thereon or thereto, is required or permitted.

(c) "Facsimile signature" means the reproduction by engraving,

imprinting, stamping or other means of the manual signature of an

authorized officer.